• 16mm hardened MAX-PERFORMANCE STEEL SHACKLE
• Patent-pending HARDENED DOUBLE DEADBOLT design gives additional protection against twist and cut attacks
• HIGHEST SECURITY DISC-STYLE CYLINDER is pick and drill resistant
• Sliding dustcover to PROTECT FROM DIRT AND DEBRIS
• 3 STAINLESS STEEL KEYS - including new design and one LED REPLACEABLE KEY FOB
• Includes FLEXFRAME-U BRACKET providing convenient multi-location u-lock transport
• Key Safe Program
• Protective vinyl coating

Patents 6430975, 6397648B1, 9079626B2, 9670698