Petzl WilliamDescription Pear shape offers a large capacity and wide opening: facilitates connection of multiple items allows a Munter hitch to be easily created in case of retreat Aluminum carabiner is light, reducing the weight of equipment the worker at height needs to carry Easier handling: fluid interior design limits the risk of having a catch point and facilitates rotation of the carabiner Keylock system to avoid any involuntary snagging of the carabiner H