The Petzl William Ball-Lock is a large, pear-shaped autolocking carabiner for belay stations and belaying with a Munter hitch.
- Great capacity thanks to its large dimensions; carabiner can hold a very large quantity of equipment and it's the optimal shape for belaying with a Munter hitch
- Ergonomic shape is designed for gripping with gloves on
- Asymmetric pear shape facilitates opening and the manipulation of the locking system
- Keylock system avoids any involuntary snagging of the carabiner
- Automatic Ball-Lock system features a green ball indicating when sleeve is locked, providing a quick visual safety check
- Ball-Lock system can be opened and closed easily with one hand and can be operated with gloves on; unlock gate by pressing in ball and twisting sleeve
- Offers secure use with triple-action opening
- Large gate opening eases clip-in