12.7mm hardened PERFORMANCE STEEL SHACKLE. New Patent-pending HARDENED DOUBLE DEADBOLT DESIGN gives additional protection against twist attacks. HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant. Includes 2 STAINLESS STEEL KEYS, with ergonomic design to reduce the amount of torque, and keep them from bending or breaking. Includes 4' KRYPTOFLEX DOUBLE LOOPED CABLE for securing front wheel or accessories. NEW DUST COVER. Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport. Protective vinyl coating. 2 stainless steel keys. Key Safe Program