Size : 3-9/16" / 90 mm ID, 4" / 100 mm Drill Hole, 4-21/64" / 110 mm Outside Diameter, 13/64" / 5 mm Groove Width, 2-3/32" / 53 mm Total Thickness. Material : Flexible Synthetic Rubber, Non-toxic and Tasteless, Strong Insulation Protection Function, Dust-proof and Flame-retardant. Features : Keep wires or any other materials from rubbing against metal, Run wires through frame, firewall, sheet metal and other applications. Installation : Easily cut the diameter of the rubber plug, then snap directly into the drill hole. Package Includes : 8 Pcs x Black Rubber Grommet.
