Function:Single Cylinder, Finish:Lifetime Brass (PVD) Baldwins Estate entrance locksets are the industrys finest for security, durability, and performance. For a complete set, you must purchase the handleset trim, mortise lock, and deadbolt key cylinder. Available with single cylinder deadbolt (with exterior key cylinder and interior thumbturn) or double cylinder deadbolt (with key function on both sides). Hot-forged solid brass for defect-free surface, sharp details, and unequalled luster. Notes: For standard 1"-thick doors. Does not cover pre-drilled 2-1/8" cut-outs. Dummy trim does not require lock components. Door Hardware Planning & Measuring Guide