Kryptonite Evolution Series U-Lock Keyed (2.75 x 5.9") (Black)

This lock is constructed of hardened steel and provides high security. Features: Secure disc-style cylinder resist picking and drilling Short crossbar and shackle create a compact fit providing better security Hardened double deadbolt design gives additional protection against twist attacks Specifications: Dimensions: 2.75 x 6" Diameter: 11mm Weight: 1.65lbs