Hampton Products Inc. are known for their excellent door fixtures. These fixtures will hold up over time and deliver the best results. Aluminum Push Button Latch. Designed for out swinging wood or metal doors. Fits 1" to 1-1/4" doors installation. Hole spacing 1-3/4". Installs in three 5/16" holes. Contains two sizes of strikes and shims to provide adjustment for latching. "No Lock Out" feature prevents accidental lock out. Can be converted to key locking set. Use V3 Cylinder.