Petzl William Screwlock Carabiner

The William Screwlock asymmetrical large capacity aluminum carabiner has a pear shape that is practical for easily connecting multiple items, as well as handling, even with gloves on. Its keylock design eliminates snagging on anchors and gear.

And that massive, massive gate opening...

Specs

• Large, pear-shaped locking carabiner for belay stations and belaying with a Munter hitch
• Great capacity due to its size
• Shape designed for gripping with gloves on
• Keylock system to avoid any involuntary snagging 
• Screwlock manual closure