For use with GRS GraverMax, GraverMach, and GraverMate units and GRS QC Gravers (or other modified gravers) mounted in QC Tool Holders. Not compatible with the GRS GraverMeister machine.

Model 901 features breakthrough impact technology with a HUGE power range plus fine control. The comfortable, compact shape has an adjustable side hose connection. Suitable for most engraving and stone setting needs including microscopic engraving, deep relief work and bead raising/hammer setting. Made from fully heat-treated stainless steel. Provided with a set of 6 standard QC tool holders (additional holders available below), allen wrench, standard and fine work springs and a length of 1/4" flexible tubing. Made in USA.