Fangrui Product Details [package Includes]2pcs Drill Bit Sharpener,6 Pcs Brown Corundum Grinding Wheel,2pcs Wrench,reducing The Need For Frequent Replacements And Saving You Both Time And Money [sturdy And ]made Of High-quality Abs Plastic And Brown Corundum Grinding Wheel, High Hardness, Rustproof, Solid And , Keep Bits And Ready For Use. [application Scope] The Grinder Drill Bit Set Sharpener Adopts Corundum Grinding Wheel, Suitable For Grinding 2~12.5mm Iron Drill Bits, Using 1/4 Inch Standard Hexagonal Shank, Can Be Used With Electric Drills To Keep The Bits And Ready To Use [applicable Type] The Diamond Drill Bit Sharpener Is Mainly Used For Grinding Iron Drills, Not Suitable For Other High Hardness Drills.give Your Old Blunt Drill Bits A Second Life And Improve The Utilization Of Drill Bits [easy To Carry]compact And Portable Drill Grinding Tool,portable Tools That You Can Carry Around And Dont Take Up Space In Your Backpack Please Note: The Physical Slightly Color Difference Or Difference, Does Not Affect The Use, Pleas