Dremel 3/16 in. Rotary Tool Cone Silicon Carbide Grinding ...
This item: 3/16 in. Rotary Tool Cone Silicon Carbide Grinding Stone for Stone, Glass, Ceramic, Porcelain, Gemstone (2-Pack) $4.98 Dremel 1/4 in. Rotary Tool Aluminum Oxide Pointed Cone Shaped Grinding Stone (2-Pack)