Arrow Lock vertical aluminum enamel finish rod exit device. The Arrow S1150 Vertical Rod Exit Device offers a reliable and dependable solution at a price you can afford. Certification: ANSI/BHMA A156.3, Grade 1. Underwriters Laboratories (UL and CUL) listed for accident hazard (panic) standard. Fire Exit hardware for hollow metal doors, UL and CUL listed for 3 hour, A label and lesser doors, Prefix "F" before part number. ANSI A117.1 Accessibility Code. Fire Exit Hardware for wood doors, listed up to 1-1/2 hour, B label doors. All exit devices comply with life safety code NFPA 101. All fire rated devices comply with fire door and window code NFPA80. Chassis and Cover: Non-ferrous alloy. End caps: Metal. Doors: 1-3/4-inches thick. 3-3/4-inches for single doors, wood or hollow metal. 3-1/2-inches minimum stile for double doors. Handing: Reversible. Dogging: Allen-type key standard, cylinder available. Top/Bottom Bolts/Latchbolt: Brass 1/2-inches throw top, 3/4-inches bottom. Through bolts: Order separately. Rail Assembly: Steel. Rail Size: Rail furnished standard for doors up to 36-inches, can be cut down to accommodate 32-inches doors. Rods: 90-inches extension kits available.