Perko Black Surface Mount Flush Lock with KeysThe Perko Flush Lock and Latch comes complete with two keys. This Flush Lock features a Polymer body with a zinc alloy handle and stainless steel stem and lock nut. Perko's 0931 Series locks are designed to be mounted through doors from 1/4 inch to 1-1/8 inches thick. The cam bar is adjustable to a maximum of 3 inches from the mounting surface. Includes flexible strike plate.Key Features: Includes two keys; Detents indicate open or closed position; Offset cam bar and flexible polymer strike ; Installs in a 2" diameter hole; Specifications: Face Plate Dimensions: 2-1/2" x 2-1/2"; For Door Thickness: 1/4" to 1-1/8"; Mounting Hole Diameter: 2" to 1-1/8"; Adjustment Cam Bar Inches: 3/8" to 3"; Click to Download Perko Flush Lock Installation Instructions