Gas spring/Air suppor 1)Material:zinc alloy,iron. 2)Finish ... )Thickness:0.8/1.0mm 4)Packing:100pcs/ctn Gas Spring, Air suppor1)material:zinc alloy,nylon.2)packing :plastic ... package inner then carton ,100pcs/CTN 3)Loading weight:50N,80N,100N,120N,150N,200N and according to client ... shocks and eliminate the noises7)apply to supporting wooden door and aliminum frame.8)cylinder dia:15mm9)rod dia: ...