Hyundai-style premium aftermarket rock bucket tooth. Part reference 66NB-31310RC. Rock-digging profile for excavation and loading in rocky ground with a matching bucket adapter. TC version in the PETRAX range. PETRAX premium aftermarket range for major brands including CAT, Komatsu, Volvo, Hitachi, John Deere, JCB, Case, New Holland, Hyundai, Doosan/Develon, Bobcat, Kubota, Takeuchi and Sany. This item fits only the specified system and matching mounting dimensions.