Hensley-style premium aftermarket standard bucket tooth for the X156 Parabolic series. Part reference X156. Replaceable ground engaging point for excavation and material loading with a matching adapter. Retention option: Hensley Parabolic pin P156. Adapter option: 550X156; confirm lip thickness and mounting. 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.