Kryptonite Kryptolok Combo Heavy Duty Standard Bicycle U Lock 12mm hardenedHIGH-GRADE CARBON ALLOW STEEL SHACKLEresists hand tools 4-digitRESETTABLE COMBINATION High securityBENT FOOTDESIGNfor ease of use ANTI-RATTLE BUMPERSreduce noise during transport Protective vinyl coating IncludesSIDE MOUNT, SNAP-IN BRACKET Combo Safe Program Product Dimensions: 4 x 8 (10.2cm x 20.3cm) Product Weight: 2.30 lbs (1.04 kgs) 13mm hardened high-grade carbon alloy steel shackle resists hand tools 4-digit resettable combination High security Bent Foot design for ease of use Anti-rattle bumpers reduce noise during transport Protective vinyl coating Includes side mount, snap-in bracket Combo Safe Program