Back Home / Wire Management / Grommets / RUBBER GROMMET 1/2″ID, 13/16 DRILL, 1/4″GRV RUBBER GROMMET 1/2″ID, 13/16 DRILL, 1/4″GRV SKU: RG12-14 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 1/4″ groove. Case Quantity: 50 Log In For Pricing