Komatsu-style premium aftermarket cutting edge. Part reference 418-815-1221. Application/reference: WA250 / 320 Cutting Edge LTR. Replaceable ground-engaging edge for excavation, grading or material handling with the matching blade or bucket. 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.