Rubber Plug Kit - 170 Pieces, 7 Sizes for Car, Hose, Pump - Rubber Cable Grommets with Organizer Case

Material: Rubber, with uniform wall thickness, high tensile strength, and good toughness. Color: Black grommet plugs. 170 pieces in 7 sizes: 50 x 7.14mm, 40 x 9.53mm, 30 x 12.07mm, 20 x 15.88mm, 10 x 19.05mm, 10 x 22.23mm, 10 x 25.40mm. These grommets are heat-resistant, oil-resistant, and wear-resistant, making them very practical and convenient to use. A thin rubber membrane in the middle allows you to create your own custom opening. They are perfect for cars, cylinders, valves, pumps, electrical appliances, chemical hoses, sprayers, water pipes, decorations, and more. These rubber washers come in a compartmentalized case, which is very convenient for storage and retrieval.