Komatsu-style premium aftermarket hot-cupped end bit. Part reference 17M-71-21930. Application/reference: D275 Hot Cupped End Bit LH. Formed end bit that protects the blade corner in dozing and high-wear applications. Left-hand configuration. Mounting: 1-in plow bolt; confirm bolt length and the exact hole pattern before installation. Brand reference: Komatsu. PETRAX premium aftermarket replacement; OEM names and part numbers are used for identification only. This item fits only the specified system and matching mounting dimensions.