United Abrasives grinding vitrified mounted points are made from aluminum oxide grain.  Use for deburring and finishing ferrous metals such as iron, steel and welds.  These mounted points are a low cost alternative to carbide burrs and are dressed for perfect balance to perform without vibration or run-out. Provide fast stock removal.   Type "A" is designed for offhand applications.  11/16" diameter, 1 1/4 length, 1/4 shank.  For die grinders.