It you have a latch like this you are trying to replace here's a chance to 1) find one, and 2) save money. This is a brand new item in package, but is missing the backing plate (see images). Marine hatch Latches are D-Handle compression latches locking which is easy to use by 2 or 3 fingers. The flange outside diameter of cam latch is 2-3/8" (60mm). Drilling Hole: 2.05" (52mm) secured on backside by 2 stainless steel screws. Locking boat cam latches are key locking hatch latches which supplied with keys and fasteners (no backing plate). Boat lid latches locking flush latch supplied with multiple cams to ensure it can accommodate any required grip range.