Skip to content
BIG FRIGGIN DEALS: One Big Deal. One Day Only. Shop Todays Offer >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 03/01/27.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.

Adapters, Extensions + Joints

Filters

  • Sold In Stores

    Find a Store

  • Brand

  • Price

    to

    • Below $100.00 (539) items
    • $100.00 - $200.00 (26) items
    • $200.00 - $300.00 (3) items
    • $300.00 - $400.00 (0) items
    • $400.00 - $500.00 (0) items

  • Customer Ratings

    • 5 (40) items
    • 4 (30) items
    • 3 (6) items
    • 2 (2) items
    • 1 (2) items

  • Pieces (qty.)

    • 1 (483) items
    • 3 (29) items
    • 4 (13) items
    • 6 (9) items
    • 2 (8) items

  • Drive Size

    • 1/2 in (112) items
    • 3/8 in (109) items
    • 3/4 in (67) items
    • 1/4 in (61) items
    • 1 in (27) items

  • Material

    • Steel (227) items
    • Chrome Molybdenum (37) items
    • Chrome Vanadium (33) items
    • Alloy Steel (6) items
    • Carbon Steel (3) items

  • Adapters (qty.)

    • 0 (143) items
    • 1 (43) items
    • 2 (11) items
    • 3 (7) items
    • 4 (4) items

  • Case Included

    • N (233) items
    • Y (11) items

  • More Savings

    • Sale (1) items
    • Clearance (1) items

  • New Arrival

    • Y (96) items

1-48 of 568 Products

Klutch Wobble Extension Set, 3-Pc.

Klutch Wobble Extension Set, 3-Pc.

Item # 41498

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Socket Adapter, 1/2in.F to 3/8in.M, Chrome Vanadium Steel

Klutch Socket Adapter, 1/2in.F to 3/8in.M, Chrome Vanadium Steel

Item # 40759

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Ratchet Accessory Set, 17-Pc., 1/4in., 3/8in. and 1/2in. Drive, Chrome Vanadium Steel

Klutch Ratchet Accessory Set, 17-Pc., 1/4in., 3/8in. and 1/2in. Drive, Chrome Vanadium Steel

Item # 41248

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 3/8in. Drive Extension, 6in., Dual Position

Klutch 3/8in. Drive Extension, 6in., Dual Position

Item # 40404

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 5in. Dual-Position Socket Extension, 1/2in. Drive, Chrome Vanadium Steel

Klutch 5in. Dual-Position Socket Extension, 1/2in. Drive, Chrome Vanadium Steel

Item # 40762

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE Impact Duty Socket Adapter Set, 3-Pc., Model# 48-32-5033

Milwaukee SHOCKWAVE Impact Duty Socket Adapter Set, 3-Pc., Model# 48-32-5033

Item # 66989

$10.97
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 1/4in. Drive Extension, 6in., Dual Position

Klutch 1/4in. Drive Extension, 6in., Dual Position

Item # 40355

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 4in. Jumbo Socket Extension, 3/4in. Drive, Chrome Vanadium Steel

Klutch 4in. Jumbo Socket Extension, 3/4in. Drive, Chrome Vanadium Steel

Item # 40766

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Socket Adapter, 1/4in.-F x 3/8in.-M, Chrome Vanadium Steel

Klutch Socket Adapter, 1/4in.-F x 3/8in.-M, Chrome Vanadium Steel

Item # 40351

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 1/4in. Drive Extension, 4in., Dual Position

Klutch 1/4in. Drive Extension, 4in., Dual Position

Item # 40354

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 3/8in. Drive Extension, 3in., Dual Position

Klutch 3/8in. Drive Extension, 3in., Dual Position

Item # 40403

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 16in. Socket Extension, 3/4in. Drive, Chrome Vanadium Steel

Klutch 16in. Socket Extension, 3/4in. Drive, Chrome Vanadium Steel

Item # 40767

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 3in. Dual-Position Socket Extension, 1/2in. Drive, Chrome Vanadium Steel

Klutch 3in. Dual-Position Socket Extension, 1/2in. Drive, Chrome Vanadium Steel

Item # 40761

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Extra Long Extension Bar Set, 3-Pc., 3/8in. Drive

Klutch Extra Long Extension Bar Set, 3-Pc., 3/8in. Drive

Item # 41495

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Universal Joint, 1/4in. Drive, Chrome Vanadium Steel

Klutch Universal Joint, 1/4in. Drive, Chrome Vanadium Steel

Item # 40347

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Extra Long Extension Bar Set, 3-Pc., 1/2in. Drive

Klutch Extra Long Extension Bar Set, 3-Pc., 1/2in. Drive

Item # 41496

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE Impact Duty Adapter, 1/2in. Drive, Model# 49-66-6726

Milwaukee SHOCKWAVE Impact Duty Adapter, 1/2in. Drive, Model# 49-66-6726

Item # 4800398

$18.49
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Locking Extension Set, 3-Pc., 1/2in. Drive, Chrome Vanadium Steel

Klutch Locking Extension Set, 3-Pc., 1/2in. Drive, Chrome Vanadium Steel

Item # 41341

  • Shipping: 

    Backordered - Expected to ship Tue, Dec 22

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Socket Extension Set, 8-Pc. 1/4in., 3/8in., 1/2in., Drop-Forged Chrome Vanadium Steel

Klutch Socket Extension Set, 8-Pc. 1/4in., 3/8in., 1/2in., Drop-Forged Chrome Vanadium Steel

Item # 40033

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
V-8 Tools Impact Extension — 36in., 1/2in. Female x 3/8in. Male, Black Coating, Model# V8T98036

V-8 Tools Impact Extension — 36in., 1/2in. Female x 3/8in. Male, Black Coating, Model# V8T98036

Item # 6522539

$54.99
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE Impact Duty 3/4in.-Drive/1/2in.-Drive Reducer, Model# 49-66-6728

Milwaukee SHOCKWAVE Impact Duty 3/4in.-Drive/1/2in.-Drive Reducer, Model# 49-66-6728

Item # 113341

$25.49
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE Impact Duty Universal Joint, 1/2in. Drive, Model# 49-66-6727

Milwaukee SHOCKWAVE Impact Duty Universal Joint, 1/2in. Drive, Model# 49-66-6727

Item # 113340

$19.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch SAE Socket Adapter Set, 4-Pc.

Klutch SAE Socket Adapter Set, 4-Pc.

Item # 41504

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Milwaukee Shockwave Impact Duty 3/4 in. Drive Socket Universal Joint, Model# 49-66-6730

Milwaukee Shockwave Impact Duty 3/4 in. Drive Socket Universal Joint, Model# 49-66-6730

Item # 113342

$62.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE™ Impact Duty™ Adapter, 3/8 in. Drive, Model# 49-66-6723

Milwaukee SHOCKWAVE™ Impact Duty™ Adapter, 3/8 in. Drive, Model# 49-66-6723

Item # 4800401

$11.97
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch Drill Extension Kit, 3-Pc.

Klutch Drill Extension Kit, 3-Pc.

Item # 42106

$13.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE Impact Duty 1/2in. Drive, Model# 49-66-6725

Milwaukee SHOCKWAVE Impact Duty 1/2in. Drive, Model# 49-66-6725

Item # 4800419

$13.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE Impact Duty Universal Joint, 3/8in. Drive, Model# 49-66-6724

Milwaukee SHOCKWAVE Impact Duty Universal Joint, 3/8in. Drive, Model# 49-66-6724

Item # 4800460

$15.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
7-Pc. Adapter and U Joint Set

7-Pc. Adapter and U Joint Set

Item # 41499

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 1/2in.-Drive Dual Position Extension

Klutch 1/2in.-Drive Dual Position Extension

Item # 40763

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Ironton U-Joint and Socket Adapter Set, 7-Pc.

Ironton U-Joint and Socket Adapter Set, 7-Pc.

Item # 49329

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Ridgid Power Pipe Cutter Adapter — Square Drive, 15/16in., Model# 632-42620

Ridgid Power Pipe Cutter Adapter — Square Drive, 15/16in., Model# 632-42620

Item # 6870453

$189.99
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
Milwaukee Bit Extension 12" x 3/8", Model# 48-28-4008

Milwaukee Bit Extension 12" x 3/8", Model# 48-28-4008

Item # 5869881

$15.97
 

  • Shipping: 

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
TEKTON 3/4 Inch Drive x 6 Inch Impact Extension (Through Hole) | SIA31006

TEKTON 3/4 Inch Drive x 6 Inch Impact Extension (Through Hole) | SIA31006

Item # 6599051

$19.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
K-Tool International Wobble Socket Extension — 6in., 1/4in. Drive, Chrome Vanadium Steel, Model# KTI21046

K-Tool International Wobble Socket Extension — 6in., 1/4in. Drive, Chrome Vanadium Steel, Model# KTI21046

Item # 6525617

$3.99
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
Grey Pneumatic Extension with Friction Ball — 1/4in. Drive, 2in. Length, Heat Treated, Model# GRE942E

Grey Pneumatic Extension with Friction Ball — 1/4in. Drive, 2in. Length, Heat Treated, Model# GRE942E

Item # 6532788

$5.45
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
Milwaukee, 4pc 3/8” Drive Extension Set, Pieces (qty.) 4 Model# 48-22-9341

Milwaukee, 4pc 3/8” Drive Extension Set, Pieces (qty.) 4 Model# 48-22-9341

Item # 5833183

$47.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
TEKTON 1/4, 3/8, 1/2 Inch Drive Universal Joint Set (3-Piece) | SHA99004

TEKTON 1/4, 3/8, 1/2 Inch Drive Universal Joint Set (3-Piece) | SHA99004

Item # 6057411

$25.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
TEKTON 1/2 Inch Drive x 24 Inch Extension | SHA21124

TEKTON 1/2 Inch Drive x 24 Inch Extension | SHA21124

Item # 5941310

$21.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
TEKTON 1/4, 3/8, 1/2 Inch Drive Adapter/Reducer Set (4-Piece) | SHA99017

TEKTON 1/4, 3/8, 1/2 Inch Drive Adapter/Reducer Set (4-Piece) | SHA99017

Item # 6057809

$21.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE™ Impact Duty™ Reducer, 3/8 in. Drive, Model# 49-66-6722

Milwaukee SHOCKWAVE™ Impact Duty™ Reducer, 3/8 in. Drive, Model# 49-66-6722

Item # 4800435

$10.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
TEKTON 3/8 Inch Drive Impact Universal Joint | SIA12102

TEKTON 3/8 Inch Drive Impact Universal Joint | SIA12102

Item # 5942259

$11.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
Milwaukee SHOCKWAVE™ Impact Duty™ 6in. Socket Extension, 1/2 in. Drive, Model# 49-66-6707

Milwaukee SHOCKWAVE™ Impact Duty™ 6in. Socket Extension, 1/2 in. Drive, Model# 49-66-6707

Item # 4800443

$27.49
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Proto 3/8in. Drive 3in. Locking Extension, Model# J5260-03L

Proto 3/8in. Drive 3in. Locking Extension, Model# J5260-03L

Item # 104422

$25.99
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
Milwaukee® Shockwave(tm) Impact Duty(tm) 1/2in.-Drive 10in. Extension, Model# 49-66-6708

Milwaukee® Shockwave(tm) Impact Duty(tm) 1/2in.-Drive 10in. Extension, Model# 49-66-6708

Item # 108478

$39.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
Klutch 3/8in. Drive x 8in. Spring-Loaded Universal Joint Extension

Klutch 3/8in. Drive x 8in. Spring-Loaded Universal Joint Extension

Item # 7031133

$23.99
 

  • Shipping: 

    Available now

  • Store Pickup: 

    Not Available
Activating this checkbox will add this item to the product comparison tool.
TEKTON 3/4 Inch Drive x 6 Inch Impact Extension (Pin Detent) | SIA31506

TEKTON 3/4 Inch Drive x 6 Inch Impact Extension (Pin Detent) | SIA31506

Item # 6598971

$19.00
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.
Grey Pneumatic Locking Extension — 3/8in. Drive, 24in. Length, Chrome-Molybdenum Steel, Model# GRE1164QL

Grey Pneumatic Locking Extension — 3/8in. Drive, 24in. Length, Chrome-Molybdenum Steel, Model# GRE1164QL

Item # 6532817

$135.73
 

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
Activating this checkbox will add this item to the product comparison tool.