Deburring tool kit removes burrs and other surface defects from inner and outer straight and hole edges, corners of narrow slots on inner straight edges, and more. Ideal for small, hard-to-reach applications. E100 blades are for use on steel, aluminum, and copper. E200 blades can be used both clockwise and counterclockwise on materials with powder chips, brass, and cast iron.Specifications: Item: Deburring Tool SetSeries: EFeatures: Blade Storage in Plastic Handle, Blade Changed by Depressing Locking ButtonIncludes: Handle, E-100, E-200, E-350, E-101,and E-102 Blades