Universal Nylon Grommets - 10 Pieces PDF Print Email Part #: GR-5024 Universal Grommet Made From Durable Nylon. For Cable Sizes Up to 1/2 Inch. 3/4 Inch Mounting Hole Quantity Price ea. 1 + $3.20 Back to: Nylon Grommets Ask a question about this product 1'' Nylon Grommets - 10 Pieces Description Universal black nylon grommet protects wires and bundles from rubbing and chaffing when passing wires through panels or firewalls. For cable sizes up to 1/2''. Requires a 3/4'' mounting hole.