Kryptonite Keeper U-Lock - 4 x 8" Keyed Black Includes bracket

12mm Hardened steel shackle • New hardened deadbolt anti-rotation design • Includes 2 stainless steel keys, with ergonomic design to reduce the amount of torque, and keep them from bending or breaking • Includes side mount, snap-in bracket • Disc style cylinder with center keyway • Protective vinyl coating • Key Safe Program • Product dimensions: 4” x 8” (10.2cm x 20.3cm) • Product weight: 2.05 lbs SPECIFICATIONS • 14mm hardened 'MAX-Performance' steel shackle resists cutting and leverage attacks • Double dead bolt locking mechanism for extensive holding power • Reinforced anti-drill/pull cylinder protection system • Enhanced engineering resists twist attacks • Center key location and overhead cam locking mechanism resists leverage attacks • Improved sliding dust cover protects cylinder • Protective vinyl coating • Includes FlexFrame U-Bracket • Sizes: 10.2cm x 20.3cm, 10.2cm x 29.2cm, 8.3cm x 15.2cm