Skip to content

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 11/01/26.
  • 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.

Product Summary

The DoubleLock Mammoth lives up to its name. This rugged chain and padlock combo is built for the toughest environments—from construction sites to marina storage. With an 80 cm steel chain and a high-shoulder shackle padlock featuring a red deterrent collar, the Mammoth protects your most valuable gear. Its thick chain links resist sawing and cutting, while the padlock’s hardened body and five laser-cut keys deliver high-level key control and durability. Whether you're locking down equipment overnight or need a go-to daily lock, the Mammoth delivers serious peace of mind.

What's Included

    (1) Chain, Lock and Keys

Features + Benefits

  • 80 cm steel chain resists cutting. Includes high-shoulder padlock with red deterrent collar. Comes with 3 precision keys. Designed for high-value jobsite, trailer, and equipment security.
  • Best for securing generators, construction tools, outdoor equipment, and trailers.
  • 4 Ultra

Key Specs

AttributeSpecification

item#

6709977

Brand

DoubleLock USA

Manufacturer's Warranty

1 year limited warranty

Ship Weight

9.0 LB

Shackle Inner Height

1.38 in

Included (qty.)

1

Cable Length

42.5 in

Material

Steel/Rubber

Weatherproof

Yes
AttributeSpecification

Keys Included (qty.)

5

Shackle Inner Width

1 in

Shackle Diameter

0.47 in

Cable Diameter

0.8 in

Resettable Combination

No

Keyed Alike Multipack

No

Product Weight

8.8000 lb

Dimensions L x W x H (in.)

3.5 x 8.0 x 11.0 in

Warranty

Manufacturer's Warranty

1 year limited warranty