ITEM NAME:180 Pcs Round Rubber Grommet Assortment Set: Electrical Conductor Gasket Ri D6J4 180 Pcs Round Rubber Grommet Assortment Set: Electrical Conductor Gasket Ri D6J4 Rubber gaskets are often inserted into holes in metal plates or some other material to protect the wires, cables or wires, to improve friction or to seal the cables through the wires, to avoid possible mechanical or chemical attack. Fundamental tools for automotive, marine and RV wiring operations, water faucets and hoses, and protection of firewalls and junctions. Also used in furniture to protect the wires in computers or electronic devices in the office or at home. The kit includes: 5pcs of each of 5/8 inch, 7/8 inch, 1 inch, 20pcs of each 1/2 inch, 25pcs of each 7/16 inch, 40pcs of each 1/4inch, 5/16inch, 3/8inch.These dimensions are based on the ID-groove inner diameter of the outer edge of the recessed seam.This means that the 1-inch grommet has a groove width of 1 inch, an outer diameter of about 1.3 inches, and an inner diameter of 0.68 inches.Precise fit of the holes to the furniture or metal panel to which the grommet is fitted. Made of high-quality rubber material: Durable and flexible rubber ring, the most efficient fabric can pass through holes that require precise mating. Rubber is also a good conductor of electricity, which stops the flow of electricity and is called an electrical insulator. In contrast to metal gaskets, rubber gaskets have a higher electrical resistance. Know that you are well protected from the stress of fire or explosion! Easy to click bite hole: unique design, easy to install and click bite drilling or metal panel. Will give you the perfect, aesthetically pleasing finished look on your furniture and electrical box. Stayed at home or office cable can maintain the complete appearance, no messy appearance! Organized sectioning Case: Our gaskets are easily sliced ??in a reusable plastic case to protect the gasket while on the road. Compact and portable storage kit,