Adjustable door closer door size 1 to 4 ADA performance ANSI/BHMA 156.4 grade 1 (2 million cycles), UL and CUL, TriStyle packed for regular, parallel, or top jamb mounts, adjustable backcheck, closing and latching speed valves, 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.