Please consider 19A013 - Graco 19A013 GrindLazer Flail Cutter as a replacement.
20-pack of tungsten carbide Flail cutters for Graco GrindLazer Scarifier Systems. Flail cutters are for general / multi-purpose use to remove pavement paint, epoxy, thermoplastic lines. Great for bump-smoothing, anti-slip grooving. Genuine Graco