18mm hardened MAX-Performance steel shackle resists. Patented pending hardened double deadbolt design gives additional protection against twist attacks. Patented steel sleeve over cross bar for double security. Highest security disc-style cylinder is pick and drill resistant. Protective vinyl coating Sliding dustcover protects cylinder from the elements 3 stainless steel keys – one lighted with high intensity LED bulb & replaceable battery. Key Safe Program.
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