Specifications:Backset: Adjustable 2-3/8" or 2-3/4"Cross Bore: 2-1/8"Door Thickness: 1-3/8" to 1-3/4"Latch Faceplate: Round or Square CornerMaterial: BrassEmtek 1412 Multi Point Lock Trim (Door Config #4) - Sandcast Bronze Plates, Arched Style (1.5" x 11"), Non-Keyed PassageCan be ordered with any Sandcast Bronze LeversSwinging Patio Door Hardware. Set includes Plates, HandlesMulti Point Mortise Lock Box not included. Trims OnlyEach Multi Point Lock Trim now includes the Spring Assist function which returns the lever to the neutral position and eliminates sagging handles.Manufacturer ResourcesEmtek Multi Point Pocket BooketLookBook Designer Showcase