Perko Black Non-Locking Flush Latch The non-locking flush latch from Perko is made from black polymer and chrome plated zinc alloy, with a stainless steel stem and lock nut. 1 with offset cam bar and flexible polymer strike. 2 with offset adjustable cam bar. 3 with straight cam bar and flexible polymer strike. It has detents to indicate open or closed position, and installs into a 2 diameter hole. Specifications Face plate dimensions 2-12 x 2-12 For door thickness 14 - 1-18 Mounting hole diamete