"3mm Shank Fine Wool Polishing Abrasive Brush Grinding Buffing Wheel Grinder Head Rotary Hand Tools for Jade Amber JewelryFeature:The wool grinder is made of high-quality wool, which is soft and delicate.It is suitable for fine polishing of various materials such as wood carving, jade, amber, jewelry, etc.The diameter of the head is 25mm, the thickness of the head is 15mm, and the diameter of the shank is 3mm.These soft buffing wheels are ideal for power drills that spin between 3000 and 5000 RPM.Specification:Material: wool + metalSize: 50*25*25mm, shank diameter 3mmQuantity: 1pcs, 5pcs, 10pcs (optional)Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Please allow 1-2cm measuring deviation due to manual measurement."