We are offering tumbler cam lock.Zinc alloy die cast housing and cylinder.Bright chrome plated standard.7 pin tumble mechanism.Brass steel zinc alloy tubular keys, chrome plated, with plastic cover.Rotation 12-3 12-9 , 1 or 2 key pull various cam configurations and rotations availablehex nut mounted.Over 15000 combinations available17mm, 19mm, 23mm, 25mm, 27mm, 30mm, 32mm, 37mm available