4PCS Firewall Plug Grommet Synthetic Wire Protection, Hole Grommets 2.1" ID 2.3" Drill Hole

We highly suggest that run the wires through a rubber grommet when it goes through a metal firewall,It's safe. Rubber Grommet: Dust-proof Insulated Flame-retardant Protect wires or any other material from metal friction. Specification: 2.1"/55mm Inside diameter, 2.3"/60mm Drill hole, 2.6"/68mm Overall diameter, 0.47"/12mm Grove thickness Package includes: 6Pcs x Rubber Grommets Easy Installation: The diameter of the rubber plug can be freely cut and easily snapping the rubber grommet directly into the drill hole, protect the cable from dust and rain. Products are widely used in various electrical cabinets, electronics, automobiles, trains, ships, machinery manufacturing and other industries.rain. Customer-centric and quality as the core.We look forward to working with you sincerely.