Traction Gas Spring: 1) mat'l: steel 2) Rod dia.: 6mm, 8mm, 10mm, 12mm, 14mm3) Tube dia.: 15mm, 18mm, 22mm, 16mm, 28mm4) Finishing: paint any color, or chromate5) Stroke: can make as request.6) Length: can make as request7) Force: 20~3000N as request.8) Packing: 1Pc/PP,...