Jumbo Diamond Burr Set, 10 pieces, 150 grit

Use with your rotary power tool to carve, etch, grind and sand hard materials, like glass tile, ceramics, and stone, as well as soft materials, such and wood, plastic and fiberglass. Includes 10 assorted shapes in head diameters from 3/16 inch to 5/16 inch. Diamond cutting surfaces are 150 grit. Shank size: 1/8 inch.