Yida Gas spring Guide Sleeve (Outside Diameter-20) 1)ISO9001:2000 2)Outside diameter: 20x10 3)Material: Plastic , Nylon Guide sleeveISO9001: 2000Outside diameter:¢20× 10High quality, low priceMaterial: Plastic, nylonMany types are available for gas springs, hydraulic dampers and shock absorbers.Welcome to contact me for more detailsOTHER: Yida Gas spring Guide Sleeve (Outside Diameter-20)