Rubber, 495, 36 popular sizesProfessional or home use. No pollution, no radiation, no smell, environmental protection.Heavy-duty rubber rings can be used in applications requiring higher chemical resistance and higher temperatures than NBR.Suitable for Automotive, Automotive, Garage, Plumber, Mechanic, Workshop, Repair, Air and Gas Connections, Automotive, Doors and Windows, Appliances, Bearings, Pumps, Carriages, etc. Vehicles, Appliances, Accessories, Air Conditioning Manifolds and moreThe O-Ring Kit is packaged in a bayonet snap-on clear plastic case for identification purposes.Material: RubberColor: Green+blackQuantity: 270pcs green rubber O-ring +225 black rubber O-ringType size: 36 sizes (as shown in the picture)Packaging quantity total: 495pcs270pcs Sealing ring: (Size & Quantity)7/32 inch x 1/16 inch 20pc7/16 inch x 5/64 inch 15pc1/4 inch x 1/16 inch 20pc7/16 inch x 3/32 inch 15pc9/32 inch x 5/64 inch 20pc1/2 inch x 5/64 inch 15pc5/16 inch x 1/16 inch 20pc9/16 inch x 1/16 inch 10pc5/16 inch x 5/64 inch 20pc9/16 inch x 3/32 inch 10pc5/16 inch x 5/64 inch 20pc5/8 inch x 5/64 inch 10pc11/32 inch x 5/64 inch 20pc11/16 inch x 1/ 16 inch 10pc3/8 inch x 5/64 inch 10pc11/16 inch x 1/8 inch 10pc7/16 inch x 1/16 inch 15pc11/16 inch x 5/ 64 inch 10pc225pcs Sealing ring: (Quantity & Size)20 Pc - 3 x 1mm20 Pc - 4 x 1mm20 Pc - 4.5 x 2mm20 Pc - 5 x 2mm20 Pc - 6 x 2mm20 Pc - 6 x 2.5mm20 Pc - 6 x 3mm20 Pc - 7 x 2mm20 Pc - 8 x 2mm5 Pc - 9 x 2mm5 Pc - 10 x 2mm5 Pc -12 x 3mm5 Pc - 13 x 3mm5 Pc - 14 x 2.5mm5 Pc - 17 x 2.5mm5 Pc - 18 x 4mmSealing ring5 Pc - 20 x 2mm5 Pc - 22 x 2mmPackage Contents:1 Set * Rubber O-Rings (495pcs)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.