Hand: RHR not reversible. Strikes: SD36 standard. Latchbolt: 1/2" throw hardened steel. Dogging Feature: Hex dogging standard. Sizes: Field adjustable width, 41" crossbar standard, fits 3' 8" door width, extra length crossbars available. Doors: 1-3/4" thick metal or wood doors, specify if wood door. Projections: 43/8" extended, 21/2" depressed. Stile: 1-3/4" minimum. Fasteners: All mounting screws are concealed. Mullions: Removable mullions are available for pairs of doors, Finish: Painted Aluminum Silver P28