Description:[Material] - Made of nylon plastic material, the snap bushing has wear resistance, is not easy to deform, is corrosion-resistant has good insulation properties, and can be used for a long time[Function] - The snap-in bushing can absorb and cushion vibration, and insulate cables, hoses, tubing, or shafts. Also can fix cables and prevent cables from wearing. The clip-on design allows the protective ring to be tightly connected to the mounting hole and does not easily fall off[Easy to Use] - Fingertip pressure locks the snap bushing into its mounting hole and passes the cable wires through the snap bushing[Wide Application] - Snaps into electrical outlet box, switch box metallic box, or other enclosure; Provide insulation and mechanical protection for electrical and telecommunication cables in most residential, industrial, automotive equipment and machinerySpecification:Material: NylonColor: BlackMount Dia: 8mm / (5/16")Outer Dia: 9.5mm / 0.37-inchInner Dia: 5.5mm / 0.22-inchTotal Height: 8.1mm / 0.32-inchFit Hole Diameter: 7.9-8.2mmPackage Content: 28 Pcs x Nylon Snap Bushings