Length Extended: 170 mm Hinge Thickness: 21 mm features: Soft closing stay for upward opening flap door 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 Opening angle can be adjustaed to 80, 90 or 100 degrees Speed adjustment screw located on front for easy adjustment of braking action Screw fixing Instructions included Nickel-plated steel Cabinet hinge shown not included Download fitting instructions