Features: Rubber, 495, 36 well-liked sizes Professional or home use. No pollution, no radiation, no smell, environmental protection. Heavy-duty rubber rings can be used in applications requiring increased 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 extra The O-Ring Kit is packaged in a bayonet snap-on clean plastic case for identity purposes. Specification: Material: Rubber Color: Green+black Quantity: 270pcs inexperienced rubber O-ring +225 black rubber O-ring Type size: 36 sizes (as proven in the picture) Packaging number total: 495pcs 270pcs Sealing ring: (Size & Quantity) 7/32 inch x 1/16 inch 20pc 7/16 inch x 5/64 inch 15pc 1/4 inch x 1/16 inch 20pc 7/16 inch x 3/32 inch 15pc 9/32 inch x 5/64 inch 20pc half inch x 5/64 inch 15pc 5/16 inch x 1/16 inch 20pc 9/16 inch x 1/16 inch 10pc 5/16 inch x 5/64 inch 20pc 9/16 inch x 3/32 inch 10pc 5/16 inch x 5/64 inch 20pc 5/8 inch x 5/64 inch 10pc 11/32 inch x 5/64 inch 20pc 11/16 inch x 1/ sixteen inch 10pc 3/8 inch x 5/64 inch 10pc 11/16 inch x 1/8 inch 10pc 7/16 inch x 1/16 inch 15pc 11/16 inch x 5/ sixty four inch 10pc 225pcs Sealing ring: (Quantity & Size) 20 Pc - three x 1mm 20 Pc - 4 x 1mm 20 Pc - 4.5 x 2mm 20 Pc - 5 x 2mm 20 Pc - 6 x 2mm 20 Pc - 6 x 2.5mm 20 Pc - 6 x 3mm 20 Pc - 7 x 2mm 20 Pc - 8 x 2mm 5 Pc - 9 x 2mm 5 Pc - 10 x 2mm 5 Pc -12 x 3mm five Pc - thirteen x 3mm 5 Pc - 14 x 2.5mm 5 Pc - 17 x 2.5mm five Pc - 18 x 4mmSealing ring five Pc - 20 x 2mm 5 Pc - 22 x 2mm Package Contents: 1 Set * Rubber O-Rings (495pcs) Note: Only the above package content, other merchandise usually are not included.