Aifeier ET Firewall Rubber Grommets 1316 ID 112 Drill Hole DoubleSided Hole Plugs for Wire Protection 4 PCS

4pcs doublesided rubber plugs to protect the cable from friction Dimensions Inner diameter 1316 inch 30 mm drilling hole diameter 145 inch 37 mm outer diameter 171 inch 434 mm plate thickness 047 inch 12 mm groove thickness 012 inch 3 mm Made of synthetic rubber material with strong flexibility and insulation protection function dustproof and flameretardant Easy to install according to the thickness of the cable the pass diameter of the rubber grommets can be cut freely and the rubber sleeve can be easily snapped directly into the drilled hole Helps to protect wires and cables from sharp metal edges allowing wires to pass through frames firewalls metal sheets and other applications.