gas spring ,Supporting gas spring, cabinet gas spring,lockable gas spring . - Description : dia. Tube(mm) dia.Piston rod(mm) Force F1(N) 12 4,5,6 40-200 15 6 50-350 18 8 80-600 21/2210 150-1200 26 12 200-2000 2814 200-3800 We have over 2000type of gas spring available !