Back Home / Wire Management / Grommets / RUBBER GROMMET 1″ID, 1-3/8″DRILL, 1/8″GRV RUBBER GROMMET 1″ID, 1-3/8″DRILL, 1/8″GRV SKU: RG1-18 Categories: Grommets, Wire Management Protects wires from chafing against drilled holes. Grommets are sized by groove width, inside dimension, and groove diameter. Made from 60 durometer SBR rubber. 1″ inside dimension, 1-3/8″ drill hole, with a 1/8″ groove. Case Quantity: 25 Log In For Pricing