Extended Length: 170 mm Hinge Thickness: 22 mm features: Soft closing stay for top-opening flap/door/lid Left hand Light duty Torque per piece 20-70 kg Torque per pair 40-140 kg Torque is calculated by multiplying one half of the door height by the door weight Ideal for toy boxes where a controlled closing is required Opening angle can be adjustaed to 70, or 105 degrees Speed adjustment screw located on front for easy adjustment of braking action Screw fixing Instructions included Line drawing shows right hand stay Nickel-plated steel Cabinet hinge shown not included