Champion 5/16in x 17/32in x 3/4in Rubber Wiring Grommets –

CWG4|5/16in X 17/32in X 3/4in Rubber Wiring Grommet – 50 Pack Description • Nitrile Rubber • Inner Dia.: 8mm • Hole Dia.: 13mm • Outer Dia.: 19mm • Nominal Panel Thickness: 2.85mm • Pack Size: 50