1)Assorted shapes and sizes for your work.

2)Use them to remove burrs on glass, metal, stone, wood, ceramics, fiberglass and plastic.

3)Diamonds are nickel-bonded to the surface and are of fine to medium grit.

4)Each has a 1/8'' shank for use with motor tools, drills, high speed die grinders, and flex shafts.

5)Set comes in a PVC case.