William Screw-Lock
Top Pick
Petzl
Petzl

William Screw-Lock

4.7

Best large capacity carabiner for belaying and rigging.

A high-capacity workhorse for managing multiple connections at belay stations. The ergonomic pear shape excels with Munter hitches and remains easy to operate even while wearing thick gloves.

$27.95

In stock

at

The Desert Rat

Who it's for

  • Climbers and rescuers needing to manage multiple connections efficiently.
  • Safety-conscious users prioritizing secure and visible gate closure.
  • Belayers and rappellers seeking smooth, versatile rope handling.

Who should skip it

  • Users requiring rapid, one-handed gate operation in dynamic environments.
  • Beginners or those prone to overlooking manual safety checks.
  • Ultralight climbers or those meticulously counting every gram.

Performance breakdown

Rigging Capacity

The generous pear shape handles multiple hitches and ropes with ease.

Excellent

Handling Ergonomics

Designed for intuitive operation, even when wearing thick winter gloves.

Excellent

Strength-to-Weight Ratio

H-frame construction provides impressive durability without unnecessary bulk.

Excellent

Gate Smoothness

Fluid interior geometry ensures the gate rotates without catching or resistance.

Excellent

Snag Resistance

Keylock nose design prevents frustrating snags during clipping and unclipping.

Excellent

Versatility

A reliable workhorse for both complex rescue rigging and standard belaying.

Excellent

Key Specs

Material

Aluminum

Shape

Asymmetrical pear-shaped

Major Axis Strength

27 kN

Minor Axis Strength

8 kN

Open Gate Strength

8 kN

Gate Type

Locking Screwgate

Keylock Nose

Yes

Application

Rescue

Pack Quantity

1

Certifications

CE EN 362, EAC, NFPA 1983 Technical Use

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William Screw-Lock

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