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 MAX-Performance, 13mm steel shackle resists bolt cutters and leverage attacks Transit Flex Frame Bracket system fits on the adjustable spline and allows for multiple off-set fitments to better align the lock for transportation Includes 2 stainless steel keys Reinforced cuff over hardened crossbar and cylinder protects high security disc-style cylinder Key Safe Program Security Rating: 7 out of 10 Optional Anti-theft Protection Offer of up to $2,500 should you decide to register for coverage at www.kryptonitelock.com (additional costs may apply) SPECS: Cable Included: No Shackle Width: 3.25 Advertised Weight: 3.15 Length: 7 Diameter: 13 Lock Style: Keyed