Southcos M1-2A pop out knob latches offer push-to-close, turn-to-open functions. The knob sits flush in the door when not in use, but pops out to provide a secure grip to operate and open the door. Latch holds securely in place whether knob is pressed in or popped out. Mounting instructions included for easy single hole installation. Includes keeper. 30mm (1 1/4") dia. cutout. Requires #10 fasteners, sold seperately.Mounting type: Fush mountDoor thickness: 1/2" - 3/4"