Hydraulic LCN 4111-Series Security Door Closer, Heavy Duty Interior and Exterior, Aluminum

The IR SECURITY & SAFETY heavy-duty door closer has a cast-iron cylinder, forged steel arm, all-weather fluid, and double heat-treated pinion that helps provide a long life cycle. 4111 Series Closer is handed and mounted parallel arm, left handed. Nonsized cylinder is adjustable for interior doors 4 ft. 6” and exterior doors to 3 ft. 6”. Tested for 10,000,000 cycles without failure. Powder-coated finish. Self-tapping/self-reaming screws, and peel-and-stick templates help ensure accurate installation.