air suppor 1)material:iron 2)finish:spay paniting 3)Thinkness: ... .0mm 4)Loading weight:50N,80N,100N,120N,150N,200N air suppor, Pneumatic Support1)material:iron ,nylon2)packing :plastic package inner then ... piece gas support and 6 screws put in one poly bag,then 20 gas support put into one inner box,the ...