General description This Yale 4KP1109PB Replacement Rim Cylinder comes in a polished brass finish. It is designed for use with surface-mounted locks, such as nightlatches, and provides key access from one side of the door. This model is suitable for doors with thicknesses ranging from 38mm to 57mm and includes four keys for convenience. Technical specifications Finish: Polished Brass Keyblank No.: 8 Supplied with: 4 keys Suitable for door thickness: 38mm to 57mm Compatibility and accessories Compatible with surface-mounted locks such as nightlatches operating from a tailbar Tailbar can be cut to match door thickness Installation Designed for surface-mounted lock systems Install by fitting the cylinder into the lock and securing with the tailbar, which can be adjusted for door thickness Usage Provides key access from one side of the door Ideal for securing residential or commercial doors requiring key entry from one side Other information Model: YAL4KP1109PB EAN: 5010608550185