Skip to content
TOUGH JOBS DONE RIGHT: Serious Tools Up to 50% Off. Shop the Deals >
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 10/01/26.
  • 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.
Print

Powerbuilt, 4 Piece 3/8in. Drive Socket Extension Bar Set, Size (SAE) 3/8 in, Model# 640844

Item# 5743532
Powerbuilt, 4 Piece 3/8in. Drive Socket Extension Bar Set, Size (SAE) 3/8 in, Model# 640844

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Powerbuilt, 4 Piece 3/8in. Drive Socket Extension Bar Set, Size (SAE) 3/8 in, Model# 640844

Click or Tap image to Zoom

$14.99

  • Shipping: 

    Factory shipped

  • Store Pickup: 

    Not available - online only
  • QUALITY CONSTRUCTION: The four piece 3/8 inch drive extension set is constructed of strong and dependable Chrome Vanadium (Cr-V) steel; Set includes 1 3/4 inch, 3 inches, 6 inches, and 8 inches extension bars for maximum coverage
  • DURABLE: Extension features a corrosion resistant mirror polished Chrome Plated finish for durability ensuring a long tool life
  • WORRY FREE RETENTION: Strong spring loaded detent balls lock and secure sockets in place; no more worrying about dropping a socket into hard to reach spaces
  • QUICKER ROTATION: Extension has a knurled center for better grip resulting in quick rotation to tighten or loosen fasteners
  • EXCEEDS STANDARDS: Exceeds ANSI Standards

  • Prop 65 Warning: See Details

See full description

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

  • Compare

Product Summary

The Powerbuilt 4 Piece 3/8in. Drive Socket Extension Bar Set is the perfect socket extension combination. The four-piece extension bars set comes in 1 3/4in., 3in., 6in., and 8in., to maximize coverage. They are made from high-quality Chrome Vanadium steel with a mirror-polished chrome-plated finish for durability and long tool life. This 4 piece set of extensions are perfect solution tools for when accessing hard-to-reach places like when working in and around engines, under the chassis, or any other jobs that require a long reach in a tight space. Each extension features knurling on the center of the shaft for a secure grip to allow for quicker rotation when tightening or loosening fasteners. No need to worry about dropping sockets in narrow spaces the Powerbuilt extensions also feature spring-loaded detent balls to help lock into and secure the sockets.

What's Included

    (1) 4 Piece 3/8 Inch Drive Socket Extension Bar Set

Features + Benefits

  • QUALITY CONSTRUCTION: The four piece 3/8 inch drive extension set is constructed of strong and dependable Chrome Vanadium (Cr-V) steel; Set includes 1 3/4 inch, 3 inches, 6 inches, and 8 inches extension bars for maximum coverage
  • DURABLE: Extension features a corrosion resistant mirror polished Chrome Plated finish for durability ensuring a long tool life
  • WORRY FREE RETENTION: Strong spring loaded detent balls lock and secure sockets in place; no more worrying about dropping a socket into hard to reach spaces
  • QUICKER ROTATION: Extension has a knurled center for better grip resulting in quick rotation to tighten or loosen fasteners
  • EXCEEDS STANDARDS: Exceeds ANSI Standards

Key Specs

AttributeSpecification

item#

5743532

Brand

Powerbuilt

Manufacturer's Warranty

Lifetime Limited warranty

Ship Weight

1.01 LB
AttributeSpecification

Product Type

Sockets

Size (SAE)

3/8 in

Product Weight

1.0100 lb

Dimensions L x W x H (in.)

0.75 x 3.0 x 10.5 in

Reviews

Questions & Answers

Questions

Warranty

Manufacturer's Warranty

Lifetime Limited warranty

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.