uxcell Wire Cable Protective Armature Rubber Grommets 40mm Dia 20PCS Black Product Name : Rubber ,Grommet;Design : Single Side Material : Rubber;Outer Diameter : 45mm/ 1.7" Groove Diameter : 40mm/ 1.5";Thickness : 6mm/ 0.23" Color : Black;Weight : 125g Package Content : Rubber ,Grommets