DescriptionThis item is a set of assorted ring seals for professional or home use. It is made of Hydrogenated Nitrile Butadiene Rubber (HNBR) which features heat-resistant, anti-corrosion, pollution free, odourless and eco-friendly for durable and safe use. Package Quantity includes 270 Pieces ring seals assortment in 18 sizes for various uses. Widely used for automobile, electrical appliance, mechanical, industrial, construction, household, and other fields.Feature- Color: Green - Material: Hydrogenated Nitrile Butadiene Rubber (HNBR) - Seals Type: ring - Size (Box): Approx. 20.5 x 10.5 x 3 cm / 8.07 x 4.13 x 1.18 inch (LxWxH) - Premium Hydrogenated Nitrile Butadiene Rubber (HNBR), heat-resistant, supper elasticity, anti-corrosion, pollution free, odourless and eco-friendly for durable and safe use. - 18 kinds of different sizes to meet different requirements. - Package Quantity: 270pcs assorted rings - Stable and durable performance. Appropriate mechanical strength, including expansion strength, elongation and tensile strength, etc. Full of elasticity and resilience. - With Plastic Box for convenient access and storage. - Wide application. Suitable for car, door, window, electric appliance, bearing, pump, carrier roller Auto, Home Appliances, Fittings, A/C Manifold and more. - Package includes: 20pcs 7/32"1/16"or (5.291.78) 20pcs 1/4"1/16"or (6.071.78) 20pcs 6.81.9 20pcs 5/16"1/16"or (7.651.78) 20pcs 7.81.9 20pcs 82 20pcs 8.81.9 15pcs 7/16"1/16"or (10.821.78) 15pcs 7/16"3/32"or (10.772.62) 15pcs 112 15pcs 122 10pcs 13.91.8 10pcs 9/16"3/32"or (13.952.62) 10pcs 142 10pcs 152 10pcs 172 10pcs 11/16"1/16"or (17.171.78) 10pcs 11/16"1/8"or (17.043.53)