This instrument was developed in collaboration with Dr. Ahmed El Hoshy from Cairo University, Egypt. Similar to the K1SM bur, the K59 has high cutting efficiency on soft carious dentin while preserving intact hard and healthy tissue. This new bur has an ISO: 150 - Maximum Revolution: 450,000 rpm - Shape: SPECIAL SHAPES Diameter 010 - Shank: TURBINE 0 Grain Type: 0 - Application: Dentin Removal - Packaging Quantity: 5 pcs