The special design of the active part with successive flat surfaces creates a structure of multiple edges, resulting in an increased capacity for dental substance reduction without heat generation and excellent removal of tissue debris. ISO: 103 - Maximum Speed: 160,000 rpm - Shape: CONICAL ROUNDED EDGE Diameter 025 - Shank TURBINE COARSE S Grain Type: COARSE S - Application: Inlay Preparation - Packaging Quantity: 5 pcs.