Norton 1601H Door Closer with Friction Hold Open Arm, Surface Mounted, Multi-Size 1 thru 6

The Norton 1601H Door Closer, Friction Arm Hold Open Arm, 1601-H Commercial Surface Mounted Door Closer is Can Be Mounted,  Regular Arm, Top Jamb, and Parallel Arm - Multi-Size 1 thru 6  Hold Open Achieved by means of friction or ball and detent/ roller. The friction hold open has a range of 90 ° to 180 ° using template location and mechanical adjustment. Ball and detent or roller hold open is effective in a range of 85 ° to 110 °. Hold open arm door closers are not permitted to be used on fire door assemblies.