Not for lifting

Synthetic Winch Line Extensions

A synthetic winch line extension adds reach when the anchor point is farther away than your winch line can go. We makes them under two brands, LockJaw® and Nimbus™, to pair with their winch lines.

LockJaw soft shackle connecting a tree anchor and synthetic winch line
Integrated shackle LockJaw®
Stainless-steel thimble Nimbus™
Working load limit
1,700 – 16,933 lb
Extra reach for your winch line
25 – 100 ft
Breaking strength is 3× the working load limit
3:1 design factor
Sparta, Tennessee
Made in USA

LockJaw® or Nimbus™?

Choose by the fitting at the end of the line and the length you need.

Integrated shackle

LockJaw® winch lines

A lockable LockJaw® soft shackle at the end, and a Kevlar-sleeved tail loop that attaches to your main line.

  • 25, 50, 75, or 100 ft
  • 2 ft sliding chafe sleeve
  • Pairs with LockJaw® winch lines
Shop LockJaw® extensions
Stainless-steel thimble

Nimbus™ winch lines

A stainless-steel thimble at the end, and a Kevlar-protected tail for a secure connection to your main line.

  • 50, 75 or 100 ft
  • Adjustable chafe sleeve
  • Pairs with Nimbus™ winch lines
Shop Nimbus™ extensions

Shop all synthetic winch line extensions

Every LockJaw® and Nimbus™ winch line extension in one place, from 3/16" to 5/8" in diameter.

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  • 1/4" x 25' LockJaw® Synthetic Winch Line Extension w/ Integrated Shackle, 2,833 lbs WLL

  • 3/16" x 100' LockJaw® Synthetic Winch Line Extension w/ Integrated Shackle, 1,700 lbs WLL

  • 3/16" x 75' LockJaw® Synthetic Winch Line Extension w/ Integrated Shackle, 1,700 lbs WLL

  • 3/16" x 50' LockJaw® Synthetic Winch Line Extension w/ Integrated Shackle, 1,700 lbs WLL

  • 3/16" x 25' LockJaw® Synthetic Winch Line Extension w/ Integrated Shackle, 1,700 lbs WLL