For a reliable saber cut in wood or fiberglass, use these Rotozip 1/8 in. Saber-Cut Wood Bits (4-Pack). These bits are a great addition for anyone using a Rotozip rotary tool. ZipBit for a variety of materials, from wood to fiberglass.
For use with Rotozip spiral saws (sold separately)
Cut a variety of materials from wood to fiberglass