The CRL Adjustable Spring Power Overhead Concealed Door Closer is available to meet Federal A.D.A. Opening Force requirements. Available as a body only with mounting clips to retrofit existing non-adjustable closer installations, and as complete packages that includes the Door Closer, Mounting Clips, Type "S" Side-Load Arm or Type "A" End-Load Arm, and a "DP" Adjustable Dual-Purpose Bottom Pivot Set or "GE" Pivot Set. The Closer has independent, dual-action valves to control closing and latching speeds. Both 90 and 105 degree Hold Open and No Hold Open models are available. Closer bodies fit into standard 1-3/4 inch x 4 inch (44 x 102 millimeter), or larger, extrusions.