Amazon.com: Dremel 9954 Ball Nose Tip 5/16" Power Rotary Carving Bit - Ideal for Removal and Smoothing Applications in Wood, Plastic, Foam, and Rubber : Industrial & Scientific
Dremel 735-01 Glass Etching Rotary Tool Accessories Kit - 8 Piece Set - Includes Grinding Stones, Polishing Disc, and Diamond Drill Bit, Blue - Amazon.com