Features Rubber Material: Retaining ring is made of high quality rubber, resistant to high temperature, less negatively affected by ultraviolet rays and ozone, flame retardant and insulating. Friction Resistance: This wire protection ring set can prevent wires or any other materials from rubbing against metal to extend the service life. Application: The wire protection ring set can be used for insurance accessories, rubber protection coils, plumbing services, wires, cables, firewalls, sprayers, etc. Sufficient Quantity: The package contains 8 different specifications of rubber grommet, enough quantity and various sizes to meet your different needs. Important Parts: The retaining ring is an important part in automobile applications such as cylinders, valves, pumps, electrical appliances, chemical pipelines, sprays, water pipes, and decorations. Specification: Item Type: Grommet Assortment Kit Material: RubberSpecificationInner Diameter(Approx.)Outer Diameter(Approx.)Quantity(Pcs)1/4in3mm / 0.12in8mm / 0.31in405/16in5mm / 0.20in10mm / 0.39in403/8in6mm / 0.24in10.5mm / 0.41in407/16in8mm / 0.31in14mm / 0.55in251/2in10mm / 0.39in15mm / 0.59in205/8in12mm / 0.47in18mm / 0.71in57/8in16mm / 0.63in24mm / 0.94in51in18mm / 0.71in26mm / 1.02in5Uses: Auto Insurance Accessories, Rubber Protective Coil Package List:180 x Rubber Wire Protection Ring Note:Match the right size before use Package List 180 x Rubber Wire Protection Ring