Check the listing for details. Rubber Grommet Assortment Firewall Solid Closed Hole Plug For Wire Electrical Ap. Condition: New. Listed at 14.46 USD. Rubber Grommet Assortment Firewall Solid Closed Hole Plug For Wire Electrical ApHigh Quality: Made of high quality material, strong flexibility, anti-aging, folding resistance, strong insulation protection function, are dust-proof, insulated, flame-retardant, and protect wires or any other material from metal friction.Detailed Size: M7.14 x 80pcs, M9.53 x 40pcs, M12.07 x 30pcs, M15.88 x 20pcs, M19.05 x 10pcs, M22.23 x 10pcs, M25.4 x 10pcs.Wide Application: Can protect or cover holes and to protect cables or wires from sharp corners or edges.Prevent metal-on-metal contact thus to protect wiring,cables passing through firewalls, metal panels and so on.Great for wall hole,spray,cylinder,valve,garages,general plumbers, workshop,car,door,window,electric appliance,bearing, pump,drain plugs,chemical pipe,water pipe,etc.Handy Packing: Very clear classics plastic case include 7 grids that keep each size separated and organized make you easy to find correct size very quickly!