Material:Boat cam latch is made of high quality black nylon, strong and durable, with long service life. Nylon Non-locking latch 3"(77mm) OD and 2-1/2"(64mm) hole diameter. fits 2.5 inch (64mm) diameter hold cutout. can be mounting surfaces 1/8" to 3/4" thick. Boat cam latch adopted embedded installation, recessed handle with stainless steel stem, product was solid,easily installs,it is your boat hatch lock good replacement. Recessed hatch pull buckle suitable for marine boat hatches, deck door, locker hatch, cabinet hardware floor, drawers, medical equipment, ships, automation equipment and automotive industry etc. Including 1 pcs O-Handle Latch. with fastener.uniform locking and safer unlocking force offers better ergonomic operation,It's your great choice for all users.