MINI-ROTARY FILE SET 1/8IN SHAFT 3PC *Material: Tempered Steel *Product Type: Rotary File Set *Shape: Assorted Shapes *Maximum Speed: 30000 rpm *Number in Package: 3 pc. *Overall Length: 1.375 in. *Shank Diameter: 1/8 in. *Packaging Type: Carded *Usage: Cutting soft metals, wood and plastic