4Pcs 1-1/2" Mounting Dia Black Round Nylon Snap in Cable Grommet Protector

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.

eBay