we can supply Fitness equipment traction gas spring Here are brief introduction of our company: Supply Cabinet gas spring, Standard type and Soft stop type.High pressure, do not puncture,250mm,30N,50N,80N,100N,120N,etc.Also accept custom made other size.Market:Italy,Russia,Poland,Netherlands,etc. Tension gas springs (pull type gas spring or traction gas spring)also known as reverse acting gas springs . The force on these springs pulls the piston rod inward, operating in the opposite direction of other gas springs. Great for use on doors, lids