These honing tools have a unique design, where the nylon bristles are 'stone' shaped. This innovative construction ensures that the tools are self-centering and self-aligning to the bore, allowing for an even, superior finish. The silicon carbide abrasive provides consistently high quality finishing and a long lifespan. Features and Benefits Tool self-centers and self-aligns to the bore Silicon carbide abrasive ensures reliability and durability Unique 'stone' nylon abrasives for a superior finish Typical Applications Honing inner surfaces of cylindrical objects Deburring Finishing Notes Use the shortest shank possible for your application