ITEM NAME:Marine Corrosion-resistant 316 Stainless Steel Boat Barrel Bolt Lock Door Latch Description: 316 marine grade solid stainless steel for maximum corrosion resistance Lost wax process and surface polishing finish Good for locking door, window Length: Approx. 5cm / 2inch Width: Approx. 2.5cm/1inch Specification: Screw Hole Diameter: 3mm Package Includes: 1 Piece Door Latch Lock.316 marine grade solid stainless steel for maximum corrosion resistance. 1 Piece Door Latch Lock. Lost wax process and surface polishing finish. Good for locking door, window.