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 Key Lock. 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 Locking Out" feature prevents accidental lock out. Key lock for extra security.