Mortise Keyed Door Lock Set-Brass Finish-2-1/2" Backset-2 SC1 Keys

scription & Specification Heavy-Duty Construction, Precision-Engineered. Solid Brass Cylinder and 2 Keys Included. Compatible Parts and Dimensions with Industry Standards Knobs on Interior and Exterior, NO Face Trim. Key on Exterior and Thumb-turn on Interior Edge of Door Face Plate: 1" x 7-1/16", 2-1/2" back set Mechanism Body Dimensions: 3-5/8" x 5-1/2" x 1" Finish: US3 Polished Brass For Right Handed Door Installations For Left Handed Door Installations