The special design of the active part with successive flat surfaces creates a structure of multiple edges that increases the capacity for reducing dental substance without generating heat and ensures excellent removal of tissue debris. ISO: 103 - Maximum Speed: 300,000 rpm - Shape: RUGBY BALL Diameter 016 - Shank: TURBINE COARSE S Grain Type: COARSE S - Application: Occlusal Preparation - Packaging Quantity: 5 pcs.