This heavy duty Grommet Set includes 30 of the most popular grommets as used in automotive sheet metal applications. The grommets feature an extra thick wall section to insulate and protect wires, cables, hoses, etc. from the sharp sheet metal edges. Kit includes six grommets of each size to fit the following hole diameters: 1/2 ", 5/8 " 3/4 " 7/8 " & 1Pit Stop USA offers Mr. Gasket Grommet Assortment 3706 at low everyday prices. Be sure to check out all of our products from Mr. Gasket including Mr. Gasket Firewall Grommets.