Model: S8003 Deadlatch (Lever and Cylinder not included) - Designed for use on Swing type, narrow stile metal or aluminum frame glass doors. Typical applications include interior doors and store-front doors in commercial locations. This lock is a direct replacement for the Adams-Rite 4510 and is available in two different backsets; 1-1/8", 31/32". 1-1/2"
