William Screw Lock Carabiner

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Product Highlights

Great capacity thanks to its large dimensions:

  1. carabiner can hold a very large quantity of equipment
  2. optimal shape for belaying with a Munter hitch


  1. shape designed for gripping with gloves on
  2. asymmetrical pear shape facilitates opening and the manipulation of the locking system
  3. Keylock system to avoid any involuntary snagging of the carabiner

Available in three locking systems, each for different situations:

  1. SCREW-LOCK: occasional use, dirty environments
  2. BALL-LOCK: frequent use with practical automatic locking; secure use with triple-action opening

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Product Description

Petzl William Screw Lock Carabiner

The Petzl William Screw Lock Carabiner is a large, pear-shaped locking carabiner for belay stations and belaying with a Munter hitch. The William screw lock is an asymmetrical large capacity aluminium carabiner has a pear shape that is practical for easily connecting multiple items. Its ergonomics and Keylock system facilitate manipulations, even when wearing gloves. The WILLIAM carabiner is available in two locking systems: manual SCREW-LOCK or automatic BALL-LOCK.

Product Infomation





Carabiner weight

Carabiner shape

Gate type

Gate closure

Anti cross loading

Nose type


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