1.Material: Steel 2,SGS Testing :50000 times 3.Opening Power: 50N,60N,80N,100N,120N 150N,180N 4,Deliver date :25-35days 1.Gas Stay for futrniture2.Item No:GS350023.Material: Steel4.Finish: Nickel plated5.Opening Power: 60N,80N,100N,120N6.Bearing capacity: 6KGS/One pc; 12KGS/ two pcs7.Packing: 1 pc with screws in a polybag, 25pcs in a box then 4 boxes in a carton Gas piston