Dremel 911 Aluminum Oxide Grinding Stone 7:16in.

FEATURES: A high-quality industrial abrasive made for extended usage.
Use on metals, castings, welded joints, rivets and rust.
Ideal for sharpening, deburring, cleaning and general purpose
grinding of most materials--including stainless steel.
Specially designed for working with curved surfaces.
Remove rust from cars and bicycles.
Deburr pipes.
Sharpen fishing lures.
Tip is shaped like a cotton swab.

REQUIRES: Rotary Tool

SPECS: Stone Diameter: 7/16" (11,1mm)
Shank Diameter: 1/8" (3,2mm)