Tell Manufacturing's 600 Series Door Closer is designed for interior commercial use. It is a heavy-duty aluminum commercial door closer that complies with ANSI A156.4, UL/ULC listed up to 3 hour fire rated. The DC100048 has a fixed spring tension, size 4.
Same hole pattern as norton 1600 or YAle 50 series
Fits interior 36 inch door and exterior 30 inch door
Duronodic finish(dark brown metallic)
Spring power is adjustable 1-4 sized or fixed 2, 3 or 4
Main arm is forged steel and accommodates up to 3-1/4 in., adjustable extension arm
Mounts to regular top jamb or parallel arm applications