Noga NG8150 Heavy Duty Deburr Tool, with 10 S10 Blades (Original Version)Our Part # NOGA NG8150 NG 1 heavy duty deburring tool handle with 10 replaceable S10 high speed steel blades. Will do almost all of your deburring jobs. NogaGrip 1 (NG 1) holds all S blades (3. 2mm). Spare blades are kept inside the handle. Designed for maximum comfort in your hand All blades are made of high speed steel and hardness 62 64Rc Includes: NG 1 handle and 10 high speed steel S10 blades Noga NG8150 Heavy Duty Deburring Tool with 10 S10 High