Caterpillar (CAT)-style premium aftermarket twin-point bucket tooth for the K90 K Series. Part reference 475-5491. Twin working points concentrate digging force for penetration into compacted ground. Related hardware: one-piece K Series retainer 220-9090. Adapter option: 220-9094; 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.