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.