9W8874 cutting edge, end bit R/H Fits CaterpillarOne New Aftermarket Replacement Right Hand End Bit (Cutting Edge) for Caterpillar (Cat) Track Type Dozers This aftermarket replacement right hand (R H) end bit bolts directly to the blade cutting edge of Caterpillar (Cat) track type dozers, protecting the blade corners from wear during finish dozing and grading operations. The end bit mounts on the right hand end of the blade cutting edge assembly using standard plow bolts and hex nuts. Specifications