we can supply Free custom gas spring sample 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. HXL gas spring company supply free custom made service before you place order.If you want to custom gas spring ,tell us the following information, the best is that you send a drwaing to our email: and tell us .1:stroke length 2: extended length 3: cy