Exposed Rack and Pinion door closer EN 2-4 HO arm

Rack and pinion door closer with hold open arm ajustable EN size 2-4 by altering spring compression by Allen key and independent closing valves, latching speed adjustable by pinion arm at 90? and all adjustment screws face fixed. Silver finish. As per EN 1154 marking suitable for door width 850mm – 1100mm and weight upto 80 Kgs.