Back Home / Wire Management / Grommets / RUBBER GROMMET 5/16″ID, 3/4″DRILL, 1/8″GRV RUBBER GROMMET 5/16″ID, 3/4″DRILL, 1/8″GRV SKU: RG56-18 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. 5/16″ inside dimension, 3/4″ drill hole, with a 1/8″ groove. Case Quantity: 100 Log In For Pricing