Yale Size 1-6 Heavy Duty Door Closer Adjustable door closer size 1-6 is certified ANSI American National Standards Institute /BHMA Builders Hardware Manufacturers Association 156.4 grade 1 2 million cycles . UL Underwriters' Laboratories and CUL Underwriters' Laboratories of Canada listed. TriStyle packed for regular, parallel, or top jamb mounts, adjustable backcheck, and closing and latching speed valves with 10 year warranty. Meets Buy American Act. Housing length 9-3/4 , 2-7/8 projection from mounting surface, 2-5/8 wide. Mounting holes 9-1/16 on center, 2 on each side 3/4 on center. Can be used on doors up to 48 wide. Type Heavy-duty, Finish Dark bronze, Chassis Style Non-handed, Closing Speed Adjustable, Pkg Qty 1, Package Type Box