Description: 100% brand new and high quality Features: Made of brown corundum grinding wheel, it can grind iron drill bit very well, and it is durable and not easy to damage.This product needs to be used with a drill grinder as a replacement Specifications: Type: Brown Corundum Grinding Wheel Sets/Alone millstone(Optional) Material: Brown Corundum Grinding Wheel Applications: Diamond Drill Bit Sharpening Tool,Iron-based Bit for Grinding. Dimension: app.2.5x2.5cm/0.98x0.98in Color: Pink + Silver Quantity: 1 Pc Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 X Brown Corundum Grinding Wheel 1 X Wrench 1 X Buckle or Only 1 X Brown Corundum Grinding Wheel