Slimline Burr - 4.54mm (0.17 inch) that may be used for occlusal relief grooves or final opening of diastemas.
 
Best used on unguarded long right angle shaft (chamfer shaft) if using for occlusal relief grooves.
 
 
 
 
Material composition: Solid Carbide with cutting pattern mounted on stainless steel shank
Compatible with PowerFloat Attachments: Guarded Right Angle, Un-Guarded Right Angle, Short Guarded Right Angle, Short Un-Guarded Right Angle.