This is for all the engravers out there who sharpen their own gravers. GRS has come up with the perfect solution for you. The grey roughing wheel provides quick shaping for carbide and high-speed steel gravers, while the blue medium diamond wheel provides more refined shaping. Use these with the yellow rubber bonded wheel, which provides a perfect mirror finish. Each wheel can be used in a micromotor or flex shaft motor. Adding these wheels to your shop will offer you a set of polishing wheels to sharpen those gravers. Make your gravers last longer with these wheels. For more information, visit stuller dot com slash tools.