Features:1. Rotary rasp set: This is a high quality long lasting steel rotary rasp set.2. Application objects: 3.1MM shank suitable for most electric & cordless drills.3. Application: Used for grinding, polishing, shaping & burnishing wood surfaces.4. Rasp shapes: Includes more popular shapes: ball, oval, cylinder,large Cone, small Cone,etc.5. Uses: Mainly applicable to shaping wood, plastics and light alloys.Description:This is a high quality long lasting steel rotary rasp set,used for grinding, polishing, shaping & burnishing wood surfaces, mainly applicable to shaping wood, plastics and light alloys.Specifications:Tool handle type: round handleMaterial: high speed steelShank diameter: 3.1 (mm)Package Included:10 pcs * Rotary raspsNotes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.