Product description:Cylinder finishing : Autophoretic Cylinder material : Stainless steel , Steel , Rod finishing : Nitriding process Cylinder diameter : 28mm Travel pole diameter : 10mm L (Install distance): According to customer’s requirement S ( stroke length ) : 60,70,80,100,120,140,160,220 mm or According to customer’s requirement End fitting form : According to customer’s requirement Pressure : 200N - 450N (20 KG - 46 KG ) Brief usage introduction:This products can be divided into several kinds according to its structure a, able to up and down , rotatable and lockable. b, able to up and down and lockable c, rotatable , self-return to the middle and lockable d, rotatable and lockable Packing:A , 1 piece in a plastic bag . 5-20 pieces/carton. B , as customers 's requirement . Our advantage:1, We have engaged in automobile gas spring producing for 7 years . now , our products branch into more wider fields and still keep the high quality as usual . 2, We have a professional R & D team and own several patented products . If you have any problem in technology of gas spring , please contact us without any hesitation , we will provide the perfect service to you . 3, It is only 50 minutes range of driving from our factory to Shanghai Pudong International Airport , Welcome you to take a visit and cooperate with us.