The Brinks Commercial Heavy Duty Closer controls the traffic in and out of your space and automatically closes the door after every opening. It controls the closing and latching of doors to eliminate slamming and adds security and safety. This closer is a size 3 with a 155-degree opening range and an adjustable closing speed. It can be mounted in a standard or top jamb position. It has a 3-hour UL fire rating. It's a perfect choice for garages, storage rooms, offices, and restrooms. For exterior doors up to 30” and 125lbs and interior doors up to 38 in and 125lbs. 155 degree opening range 3-Hour UL fire rating Adjustable sweep speed Standard or Top Jam mounting applications Standard (inward swinging) or Top Jamb (outward swinging) mounting applications only Manufacturer Color/Finish: Heavy Duty White Maximum Weight Capacity (lbs.): 49 Commercial/Residential: Residential Door Type: Wood and metal Drop Forged Arm: Yes Grade Type: Not rated Hardware Included: Yes Non Handed: Yes Parallel Arm Bracket Included: Yes Use Location: Interior CA Residents: Prop 65 Warning(s): Yes UNSPSC: 30171500