uxcell Wire Protective Black Rubber 40mm Inner Dia Double Sided Grommet Product Name : Bar Grommet;Design : Double Sided Material : Rubber;Outer Diameter : 54mm/ 2.1" Inner Diameter : 40mm/ 1.6";Thickness : 11.5mm/ 0.45" Groove Width : 4mm/ 0.16";Color : Black Weight : 118g;Package Content : 10 x Bar Grommets