Door Closer, Norton 7500 Closer Series, Interior and Exterior, Manual, Hydraulic, Closer Performance Extra Heavy Duty, Closer Type Non Hold Open, Non-Handed, Ligature No, Closer Mounting Style Parallel, Standards ANSI A156.4, Grade 1, BHMA, UL-10C and UBC Positive Pressure Fire Test, UL and cUL Listed to Canadian Safety Standards Listed for Use on Fire Doors, Yes, Finish Aluminum Painted, Arm Material Steel, Arm Type Closer Plus(R), Color Silver, Exterior Door Width 48 in