The Kryptonite Evolution Standard u-Lock was designed for areas prone to moderate or high theft. FEATURES: 14mm hardened Max-performance steel shackle 3 stainless steel keys - including new key design and one LED replaceable key fob Patent-pending hardened double deadbolt design gives additional protection against twist attacks New smaller crossbar design Higher security disc-style cylinder is pick and drill resistant Includes FlexFrame U bracket providing convenient multi-location u-lock transport Protective vinyl shackle coating SPECS: Product dimensions: 4” x 9” (10.2cm x 22.9cm) Product weight: 3.50 lbs (1.59 kgs