ITEM NAME:225Pcs Rubber O-Ring Assortment Set Gasket Hydraulic Automotive Seal Descriptio n Specification: Material: rubber Colour: Black Total number: 225pcs Size:18 popular sizes 20pcs:(internal Diameter)3*(Thickness)1mm 20pcs:(internal Diameter)4*(Thickness)1mm 20pcs:(internal Diameter)4.5*(Thickness)2mm 20pcs:(internal Diameter)5*(Thickness)2mm 20pcs:(internal Diameter)6*(Thickness)2mm 20pcs:(internal Diameter)6*(Thickness)2.5mm 5pcs:(internal Diameter)13*(Thickness)3mm 5pcs:(internal Diameter)14*(Thickness)1.5mm 5pcs:(internal Diameter)17*(Thickness)2.5mm 5pcs:(internal Diameter)18*(Thickness)4mm 5pcs:(internal Diameter)20*(Thickness)2mm 5pcs:(internal Diameter)22*(Thickness)2mm 20pcs:(internal Diameter)6*(Thickness)3mm 20pcs:(internal Diameter)7*(Thickness)2mm 20pcs:(internal Diameter)8*(Thickness)2mm 5pcs:(internal Diameter)9*(Thickness)2mm 5pcs:(internal Diameter)10*(Thickness)2mm 5pcs:(internal Diameter)12*(Thickness)3mm Features: 100% brand new and good quality. It is suitable for car, door, window, electric appliance, bearing, pump, carrier roller. Wear-resistant and corrosion resistant. No pollution, no radiation, no abnormal smell, environmental friendly. Product list: 1*225pcs sealed O-ring rubber combination package Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ 225pcs Rubber O-Rings.Total number: 225pcs. 225pcs Rubber O-Rings. Colour: Black. We'd like to settle any problem in a friendly manner. Material: rubber. It is suitable for car, door, window, electric appliance, bearing, pump, carrier roller.