Caterpillar (CAT)-style premium aftermarket skid-steer cutting edge. Part reference 135-9397. Application/reference: Cutting Edge Skid Steer. Replaceable bucket edge for grading, loading and general material handling. Mounting: 5/8-in plow bolt; confirm bolt length and the exact hole pattern before installation. Brand reference: Caterpillar. 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.