Adjustable door closer size 1-4 holds door open in the 85 deg range. ADA (Americans with Disabilities Act) performance and ANSI (American National Standards Institute)/BHMA (Home Builders Hardware Manufacturers Association) 156.4 grade 1 (2 million cycles). TriStyle packed for regular, parallel, or top jamb mounts, adjustable backcheck, and closing and latching speed valves with 5 year warranty. Housing length: 9-3/4", 2-7/8" projection from mounting surface. 1-7/8" wide. Mounting holes: 9-1/16" on center, 2 on each side 3/4" on center. Cannot be used in fire rated door openings.