Petzl's large pear shaped carabiner comes in handy in many places. This one's shape and size means it's useful for belaying and rappelling with the Munter hitch with single or double ropes, anchoring multiple ropes and slings and keeping the belay station organized.
Push button twist lock makes it easy to use this carabiner one-handed. Rated at 25 kn (5,620 lbs.)