High Speed Steel. Set includes; two 1/8 inch shank screw mandrels, a 1 inch 36 tooth blade, a 1.25 inch 56 tooth blade, a 1.5 inch 36 tooth blade, a 1.75 inch 74 tooth blade, and a 2 inch 48 tooth blade. Use with plastic or wood. Not for use on metal. For use with Dremel Rotary Tools.

We recomend the use of the following with these blades (GyrosGuard Safety Shield Kit)