Floor Lock, 5 5/8 in For Caster Mounting Height, 4 5/8 in Floor Lock Retracted Height, 6 in Floor Lock Extended Height, 4 in For Wheel Dia., B Mounting Plate Bolt Hole Pattern, 4 in x 4-1/2 in Mounting Plate Size, Steel, 2-5/8 in x 3-5/8 in Inside Bolt Hole Spacing, 3 in x 3 in Outside Bolt Hole Spacing. This item has been restricted from sale in the following state (s): []