The Sargent 41 RL US10B KD Mortise Cylinder is 1-1/8" Long, has a RL Keyway, comes with 2 keys, is Keyed Differently and comes in US10B/613 Dark Oxidized Satin Bronze Oil Rubbed Finish.
Sargent 40 Series Mortise Cylinders are high quality conventional cylinders available in a number of different keyways and finishes. Sargent mortise cylinders are made from solid brass and have a brass, bronze or stainless steel face cap available in all architectural finishes. They are furnished standard with number 97 rosette and compression spring. Optional collars and spacers are available and ordered separately. Sargent mortise cylinders are available in lengths ranging from 1-1/8″ through 3″, minimum length for 7-Pin is 1-1/4″. They are provided standard with Sargent offset cam number 13-0664, other cams are available.