Flyshop 4-Pack Round Double-Sided Black 26 mm 1-1/32" Rubber Grommet, 20 mm 13/16" ID, Hole Grommet Synthetic Rubber Grommets Wire Protection

【Size】 13/16" / 20 mm Inside Diameter, 1-1/32" / 26 mm Drill Hole, 1-19/64" / 33 mm Outside Diameter, 3/32" / 2.5 mm Groove Width, 7/16" / 11 mm Total Thickness 【Material】 Flexible Synthetic Rubber, Non-toxic and Tasteless, Strong Insulation Protection Function, Dust-proof and Flame-retardant 【Features】 Keep wires or any other materials from rubbing against metal, Run wires through frame, firewall, sheet metal and other applications.