If the reference of your old gas spring matches our reference in the description, you will receive the same gas spring. The dimensions of the gas spring are as follows:Dia stroke - cylindre (mm): 10-22//Length stroke (mm): 100 //Total length ctr-ctr (mm):250 //Force :100N // If the gas springs are not in stock, the delivery time is +/- 3 weeks. If you have any questions about the gas springs or if you cannot immediately find the correct reference, do not hesitate to contact us by email.