Double locking shackle withstands 3.5 tons (3.2 metric tons) of pull 7-pin tumbler for extreme pick resistance Vinyl-covered body prevents scratching Carrier bracket for storage convenience Ideal for motorcycles, ladders, and generators Keyed different 1/2 x 10-3/8 x 5-1/8 shackle dimensions 8-1/4 wide steel lock body for strength