Check the listing for details. 2.4" Rubber Grommet Kit, 4Pcs Firewall Closed Hole Plug Fire Grommet, Black. Condition: New. Listed at 11.77 USD. Rubber plug hole grommet kits provide multi-faceted protection for your wire and cable systems. They effectively prevent abrasion and damage from sharp metal edges while also creating a durable barrier against dust, moisture, and other harmful environmental elements, ensuring long-term reliability.SpecificationColor: BlackMaterial: RubberDrill Hole: 60mm / 2.4";Inside Diameter: 52mm / 2.0";Outside Diameter: 66mm / 2.6";Overall Height: 11mm / 0.4";Grove Thickness: 3mm / 0.1"Packing List: 4 x Rubber Grommet KitAdvantageRubber grommet kits are made of rubber material with strong flexibility and resistance to folding, abrasion, pressure, and high temperatures. They are also aging-resistant, long-lasting, and safe with an exquisite appearance.