Material: Aluminum, brass, bronze, stainless steel
Mounting:
Metal and wood door: type 1, 1/4 - 20 x 2 1/4" thru bolt and finish washer (standard 1 3/4" door)
Metal door: type 2, surface, 1/4 - 20 MS
Wood door: type 2, surface, #12 WS
Material Size: 3/8" x 1 1/2"
Base: 1 1/2" x 1 1/2"
Projection: 3/4"
Clearance: 3/8"