We are an Authorized Distributor for Andersen, Larson, Marvin, Pella, GU Ferco, Hoppe, Emtek, Roto, Milgard, Peachtree, Weathershield, and many more. Shop our store for your door and window hardware needs. Customer Service Hours Monday-Friday 8am-4pm CST. Ashley Norton 2-1/2 Traditional Round Double Cylinder Deadbolt with Latch – Dark Bronze. Exterior and Interior: 2-1/2. Door thickness: 1-3/8″ to 1-3/4″. Latch with 2-3/8″or 2-3/4″ backset. Includes cover rings, installation screws and instructions.