General description A 10 piece tungsten carbide burr set designed for cutting, shaping, grinding, and removing sharp edges. Technical specifications 10 profiles with 3mm shank Length: 38mm Cylinder shaped head and cylinder shaped radius: 13mm cut length Ball shaped head: 6mm cut length Flame shaped head: 13mm cut length Tapered shaped radius end: 13mm cut length Oval shaped head: 10mm cut length Cone shaped head: 13mm cut length Inverted cone shaped head: 7mm cut length Tree-shaped & tree-shaped radius: 13mm cut length Compatibility and accessories Suitable for use with Laser Tools air pencil die grinder, Part No. 7149 Usage Use with extreme care Maximum RPM for burrs: 20,000 RPM