Perko Flush Lock Made of white polymer, with a stainless steel D ring handle, stem, and lock nut. Includes 2 keys and gasket, and 2 O-Rings for increased water resistance. It has position indicators to show open or closed position. Easily installs in a 2-38 diameter hole, on mounting surfaces 38 - 78 thick. Includes straight cam bar and flexible polymer strike. Specifications Face plate dimensions 2-78 x 2-78 Fits in hole with diameter 2-38 For mounting surfaces 38 - 78 Click here for Perko Flus