Dorver Door Closer -101 Speed: Dual Body Size(MM): 180x 36 x 39.5 Wieght of Door (Kg.): 60 - 80 Specifiaction : Body Manufactured from Special aluminum extruded and machined to extreme accuracy. Rack and Pinion manufactured from steel alloy duty machined and heat-treated. Single & Double regulating valve independently controls and adjusts closing and latching speeds. Right-hand and Left-hand Opening doors Door / Frame mounting Door Opening Angle 180 Degrees Small & Compact Size. Best Company products