Package included: 1pc x Rotary Grinding Head (Note: Grinding head only, the grinder is not included, just for showing in the picture.) Size(Hole Diameter): Type-1: . 10mm, suitable for types115 and types125 Angle Grinder. Type-A: inner diameter 5/8-11 UNC Drill head diameter: About 40 mm/1.6 inch; Drill head length: About 40 mm/1.6 inch; Outer diameter of tool handle: About 25 mm/1.0 inch; Total length: About 108 mm/4.3 inch Function: A very rough coating can quickly remove the blank while maintaining a relatively smooth finish, easy to Use. The teeth provide you with excellent wear life and have longer lasting burrs. Multi-Function Rotary Rasp for Drill: Works with mostly small rotary tools for DIY carving. Used for grinding, polishing, shaping and burnishing wood, plastics and rubber surfaces. Colour:black Material:Metal Package Contents: 1 x Sphere Rotary Burr Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.