Speedster carbide burs offer the perfect mix of power and precision for your procedural needs aiding in reduced preparation and chair time. Advanced designs and aggressive rake angles provide the means to create a longer lasting, concentric, smoother cutting instrument that rapidly reduces materials such as amalgam, gold, porcelain, enamel and PFM. FG-shank, Round End Cylinder Cross Cut, head diameter 1.2mm and length 4mm.