Our 6-piece Aluminum Oxide Grinding Wheel Set is useful and versatile for all types of projects and hobbies. Wheels are approximately 7/8 in. in diameter by 7/64 in. thick; included mandrels have 3/32 in. shanks. Wheels are color-coded as follows: Pink = Coarse; for grinding of hardened and unhardened materials. White = Medium; for sharpening tools and machining hardened materials. Green = Fine; for working with glass, ceramics, stone and carbide metal.
