PREMIUM QUALITY MATERIAL: Expertly made with premium materials our mortise lock replacement is engineered for exceptional durability, ensuring reliable and long-lasting performance. Take control of the finer details by choosing your preferred backset, allowing for a customized fit that caters to your specific needs. Explore a variety of finishes to not only enhance functionality but also add a touch of personal style to your selection. ADAM RITE DOOR LOCK REPLACEMENT PARTS: This package included a deadlatch (replacement for Adams Rite 4510 Series), Face Plate and screws. VERSATILE APPLICATIONS: Versatile applications extend to storefront doors, having framed, wooden or aluminum alloy doors of various thicknesses. Perfectly compatible with size 1-1/8" Backset. Latch body dimensions: 1" x 6-7/8" Face, 1-5/8" depth or 1-1/2" depth respectively. CONVENIENT LATCH HOLD-BACK FUNCTION: Our latch hold-back function makes it easy for you to keep the door open during business hours. Just hold the latchbolt and turn the key the other way until it clicks. That's it! Now you can come and go without any hassle. HIGH QUALITY REPLACEMENT KIT: Elevate your storefront doors with the Summit Doorware deadlatch lock replacement kit. Made to match the exceptional quality of the renowned Adams Rite brand. Refer to the accompanying photos for easy ordering instructions., Manufacturer: Ilco