HTS 110D0 Rotary Bit Sanding, Grinding, & Polishing Kit with Wooden Box Bits work with any rotary tool, including HTS 117D0 Bits feature an industry standard 1/8" / 3mm shank Great for sanding, grinding, shaping, polishing, honing, carving, engraving, and much more! Bit selection makes your rotary tool one of the most versatile tools in your garage Set includes a wooden storage case