Feature: Spherical ceramic grinding head, grinding tip is perfect for rotary tools. Made of ceramic material, high-quality abrasives and shaft holder are selected, with high bond strength and good concentricity. The grinding head has uniform particle size, the abrasive is not Easy to fall off, high working efficiency, good grinding effect and long service life. Good choose for precision material removal - forming, molding and slotting. Can be used for furniture, handicrafts, molds, etc. For cutting wood, plastic, fiberglass and other materials. The spare parts of drilling rig, milling machine and electric drilling tool can be fixed on the electric drill. Specification: Shape: ball-shaped Material: ceramic, metal Color pink Diameter: 6mm,8mm,10mm,12mm,14mm,16mm (optional) Shank diameter: 3mm Quantity: 10pcs Package include: (Size to you) 10pcs ceramic grinding head Note: 1 .The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.