Stalwart Assorted Rotary Polishing Bit Set, 100-Piece For Rotary Tools with 1/8 inch Shank, 9 Different Grinding Stone Styles For Polishing, Engraving, Carving, Cleaning, Buffing and Sanding, Perfect for DIY Projects 100 Pieces: 10 Large Cylinder Bits, 10 Medium Cylinder Bits, 8 Small Cylinder Bits 12 Flared Cylinder Bits, 10 Small Flared Cylinder Bits, 10 Bullet Bits 10 Wheel Bits, 10 Flat Wheel Bits, 10 Small Flat Wheel Bits, 10 Thin Wheel Bits