Exposed Rack and Pinion door closer EN 2-4 with slide channel HO

Rack and pinion door closer with slide channel hold open arm ajustable EN size 2-4 by altering spring compression by Allen key and independent closing valves, latching speed adjustable valves by screws face fixed. Silver finish. As per EN 1154 marking suitable for door width 850mm – 1100mm and weight upto 80 Kgs.