Brand Name: Dremel
*Diameter: 1/4 in.
*Point Length: 3/16 in.
*Abrasive Material: Aluminum Oxide
*Product Type: Grinding Stone
*Shape: Cylinder
*Maximum Speed: 35000 rpm
*Number in Package: 1 pc.
*Shank Diameter: 1/8 in.
*Usage: Sharpening, Deburring, General Purpose Grinding
*Overall Length: 1.5 in.
*1/4: in
*Use on metals, castings, welded joints, rivets and rust
*Specially designed for working with conic surfaces