2" round-hole installation 0.075"-0.275" door thickness (2mm-7mm) Stainless steel screws and keeper The flush profile and easy installation makes this latch perfect for hatches, livewells, electrical enclosures, and other compartments on your boat. Slam Latch,Push-to-Close Latch for Boat Hatch Factory, OEM, High Quality, Replacement for Southco M1-61, Black, Plastic AL-958-1 Without Lock Include: 1 latch, 1 keeper.