[8 SIZES IN 1 BOX]: 3/16 5mm, 1/8 3mm, 1/4 6mm, 5/16 8mm, 3/8 10mm, 1/2 12mm, 5/8 16mm, 3/4 20mm. [DURABLE MATERIAL]: Made of flexible and durable rubber material, with good electric resistance capability.. [EASY TO USE]: Heat-resisting, mineral oil-resisting, wear-resisting, convenient and resealable, easy to installation.. [MULTI-FUNCTION]: Rubber grommets prevent metal on metal contact and protect wiring and cables that pass through firewall and metal panels.. [WIDE APPLICATION]: You can reinforce holes in leather, board, canvas and protect any wiring or cable in metal junction areas..
