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 Key Safe Program Protective vinyl coating Product dimensions: 4†x 10.25†(10.2cm x 26cm) Product weight: 4.85 lbs (2.20 kgs) 
