The KryptoLok features a high security pick and drill resistant disc-style cylinder. Features: Patented bent-foot design makes lock-up easy Patented cam resists attacks by pry bars and hammers Includes FlexFrame U-Bracket mount and 2 stainless steel keys Patented bent-foot design makes lock-up easy, patented cam resists attacks by pry bars and hammers High security pick and drill resistant disc-style cylinder Specifications: Width: 4" (101mm) Length: 11.5" (292mm) Diameter: 12.7mm Color: Black/Grey Weight: 3.1 lbs