The Yeti bottle Key is the ultimate wrench for opening your frosty beverage. Designed as a class 2 lever, a mechanical advantage is achieved by applying force about the fulcrum for easy cap removal (Physics 101). Stamped from 1/8 inch stainless steel. Bottle openerMade of stainless steelClass 2 lever designHole on the handle allows it to be connected to a keychain or lanyard