Brand Name: Gator
*Diameter: 0.5 in.
*Length: 1/2 in.
*Material: Aluminum Oxide
*Product Type: Abrasive Sleeve Refill
*Grit: 80 Grit
*Grade: Medium
*Number in Package: 6 pc.
*Usage: For use with electric drills
*Maximum Speed: 4000 rpm
*Shank Diameter: 1/4 in.