Meet our newly designed Cutter Knob Wrench for engraving machines, engineered for enhanced convenience and precision. This 4-spline wrench now comes with a built-in set screw on the tang, allowing you to easily remove and adjust the bit for maintenance or sharpening. Designed with the needs of engravers in mind, this innovative tool simplifies bit changes, giving you more control to keep your tools performing at their best. Whether you’re replacing a worn bit or simply refreshing its edge, the Cutter Knob Wrench ensures you can do it quickly and efficiently.