1.FOR M1-63 Push-to-Close LatchPush-to-Close Latch for Boat Hatch Deck 1/2 inch Door. 2.This latch is widely used by all the major boat and yacht manufacturers, and is great for new applications as well. 3.The flush profile and easy installation makes this latch perfect for hatches, livewells, electrical enclosures, and other compartments on your boat. 4. and - plastic for the harsh marine conditions. 5.Attractive flush-mount styling with a recessed handle gives these locks an attractive look. Size: 6cm in diameter Door/Panel Thickness: 0.475 - 0.675 inch (12 - 17 mm) FOR M1-63 Push-to-Close Latch Single, 2 inch round-hole installation Material: Nylon plastic PA6 Colour:white Package Contents: 1 * Latch 1 * Keeper 2 * Screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.