Made of 304 stainless steel/iron, surface electrophoresis or blackening treatment
butterfly lock with bottom frame, small three-hole base lock core sunken hidden, automatically greatly reduce the direct collision between butterfly lock and external objects to make butterfly lock direct damage，the base springs back. it is durable, stable and rust resistant.
Usage: medical box, insulation box, machinery, instruments, ships
Installation method: according to the product physical hole distance specifications, set the size, and then use rivets, screws, spot welding and other operations.
Storage: store in dry place, do not pile up in damp, cold place, avoid rusting or oxidation.