Door Closer, Norton 7500 Closer Series, Interior and Exterior, Manual, Hydraulic, Closer Performance Heavy Duty, Closer Type Hold Open, Non-Handed, Ligature Resistant No, Closer Mounting Style Parallel, Regular, Top Frame, Standards ANSI/BHMA A117.1, ANSI/BHMA A156.4, UL and cUL Listed, ADA Compliant Yes, Finish Dark Bronze Painted, Arm Material Aluminum, Arm Type Parallel, Regular, Color Dark Bronze, Exterior Door Width 48 in NORTON(R) hydraulic door closer is a rack and pinion closer with a lightweight aluminum alloy body. Feature adjustments for closing, sweep and latch speed, and back check. Larger closer body and springs, plus advanced hydraulic flow for greater door control. Adjusts for door sizes from 1 to 6. The standard arm is suitable for doors with low exposure to wind and abuse.