Item: hy-120l Its stroke length is 120mm. Out tube length is 220mm. Total length is 391ía2mm.(when it's opened) 1, material: steel 2, function: it would be adjustable and extendable by force 3, quality: airproof and durable 4, packing: 20 pcs/carton or 400-600pcs/wooden case 5, chrome or powder coating are all available 6, our gas spring get the certificate of tuv, sgs, lga, catas. 7, the switch color can be changed as your request Packing: 5pcs/carton. N.W.:8.5kg/carton. G.W.:9.5kg/carton.
