Dremel 3/16 in. Cone Silicon Carbide Grinding Stone for Stone, Glass Ceramic, Porcelain, Gemstone, & Non-Ferrous Metal (2-Pack)

Dermal 84922 3/16 in. Silicon carbide grinding stone is ideal for sharpening, debarring and general purpose grinding on harder materials. Silicon Carbide Grinding Stones are designed to grind and etch stone, glass, ceramics, porcelain and non-ferrous metals. Always remember to have a spare battery pack charged up so you don't have to quit working to recharge your battery and keep your cordless rotary tool charged up and ready to go.