Apexstone GS2302 100N/22.5lb Gas Struts,Gas Springs,Gas Strut,Lift Support,Gas Shocks,Lid Stay,Lid Support,Set of 2 CAUTIONS: IT'S STRONG! IT'S NOT SOFT CLOSE GAS STRUT.PLEASE DO READ the IMAGES and DESCRIPTION CAREFULLY before placing order.If you are not sure if it's okay for your project,please contact us before ordering this Force:22.5 Lbs/100 N(Per Strut),Length (Center-to-Center): 9.84 inch(250 mm),Compressed Length (Center-to-Center):6.3 inch(160 mm),Set of 2 in the package Ideal for supporting the door/lid to keep it open,Support opens lids to a maximum angle of 100 degrees,it fit for the door/lid which the SIDE LENGTH is between 10 and 25 inch , the WEIGHT is between 15 and 25 lbs The mounting point on the lid is at the 55-70 mm(2.16-2.75 inch) to the hinge's direction,if you feel the it's too powerful, you can move the mounting point 20 mm(0.79 inch) towards the hinges's direction ,while if you feel it's too weak,you can move it 20 mm(0.79 inch) towards the opposite direction Instructions and Screws included,DO NOT open it,DO NOT compress it by hand,DO NOT approach the high temperature