For use with QC Gravers (or gravers that you have modified to fit these handpieces), including the GraverMax G8 as well as the GraverMach, GraverMate, and previous generation GraverMaxes. Not compatible with the GRS GraverMeister machine. Made in USA.

Wide power range. Great for stone setting, hammering, medium to deep engraving. Stainless steel construction. Set screw chuck holds square tools up to .100" (2,5 mm) and round tools to .130" (3,3 mm) diameter. 4.5" long. Provided with an allen wrench, extra set screw,, and a length of 1/4" flexible tubing.