Back Home / Wire Management / Grommets / RUBBER GROMMET 1/2″ID, 13/16″DRILL, 1/8″GRV RUBBER GROMMET 1/2″ID, 13/16″DRILL, 1/8″GRV SKU: RG12-18 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. 1/2″ inside dimension, 13/16″ drill hole, with a 1/8″ groove. Case Quantity: 100 Log In For Pricing