Check the listing for details. 20 Pcs 1 Inch Rubber Grommet Double-Sided Round Rubber Hole Plugs Black. Condition: New. Listed at 13.77 USD. Rubber Grommet protect wires, cables and pipes from damage by sharp metal and rough surface edges, allowing wires to safely pass through frames, firewalls, metal plates and other electrical equipment, and are widely used in homes, offices, industries, ships, etc.SpecificationColor: BlackMaterial: PlasticInner Diameter: 26 mm / 1"Slot Size: 30 x 4.5 mm / 1.18 x 0.18 inch (WxT)Total Size: 38 x 9 mm / 1.5 x 0.35 inch (WxH)Packing List: 20 Pcs x Desk GrommetAdvantageReliable Material: Firewall Rubber Grommet are made of rubber, which is flexible, has insulation protection function, durable and heat-resistant, dust-proof and flame-retardant.Neat and Organized Workspace: The Firewall Plug Grommet helps hide cables and wires, protect cables from daily wear and tear, and create a neat and organized workspace, avoiding clutter.