Perko Butt Hinges feature a removable center pin for easy disassembly. They feature heavy gauge, chrome plated zinc alloy for marine duty, and countersunk screw holes. Removable center pins allow door or hatch to be removed without removing hinge, unlike hinges with fixed pins. Butt hinges are one of the most recessed hinge types, and may be used on doors, hatches, fishboxes, and other places.

Mounted using standard #6 screws. Two sizes are available.