This lock features a hardened steel shackle that resists hand tools for security in low crime areas. FEATURES: 2 keys - high security, disc-style cylinder Patented Anti-Rotation Double Deadbolt shackle helps fight against twist and cut attacks Includes click style transportation bracket Protective vinyl covering 12mm hardened performance steel shackle Patented Anti-Rotation Double Deadbolt shackle helps fight against twist and cut attacks Includes side mount, snap-in transportation bracket Includes 2 stainless steel keys Includes Kryptonite Key Safe Program Security Rating: 5 out of 10 Optional Anti-theft Protection Offer of up to $500 should you decide to register for coverage at www.kryptonitelock.com (additional costs may apply) SPECS: Size: 3.25"x6" Weight: 1.65lb