Caterpillar (CAT)-style premium aftermarket ripper shank. Part reference 8E8415. Application/reference: Ripper Shank 8E8415. Replaceable ground-engaging shank used to fracture compacted or rocky material before excavation or grading. No plow bolt applies; use the pin or fastener specified for the matching ripper system. 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.