Dremel Emery Polishing Wheel is designed to give you the power to polish most ferrous metals, as well as stones, glass, and ceramics. This emery-impregnated disc is i for removing small burrs and scratch marks left by grinding and sanding, while also helping to clean and define grooves with ease. Measuring 1 inch in diameter and 1/8 inch thick, the wheel is for small projects and coarse surface polishing. It is compatible with most Dremel rotary tools and is used with a 1/8 inch shank mandrel, making it a versatile addition to your tool collection. Model Number: 425-02