... weight:50N,80N,100N,120N,150N,200 Gas suppor, Air spring,apply to supporting wooden door,aliminum frame and ... . Packing:1)1pc/poly platic bag2)one piece gas support and 6 screws put in one poly bag ... ,then 20 gas supportput into one inner box,then 5 inner ... brand.The minimum quantity is 20,000 pcs.3)high quality4)competitive price5)Professional support6)support for samll ...