Drill Bit Sharpening Tool Sharpener Accessories 7inch Long with Polishing Wheels.Portable Straight Shank Twist Drill Grinder Sharpening Tool with self centering point, do not need assistant center drill or center punching1 x Drill Bit Sharpener, 3x Grinding Wheel, 1x WrenchThe drill bit sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills.Compact drill grinding tool length approx 18cm/7.09inch, portable tool is easy to carry around and don't take up space in your backpackThe grinder drill bit set sharpener with grinding wheel suitable for grinding 2-12.5mm iron drill bit, can be used with electric drillsDrill Grinder for 2mm to 12.5mm Straight Shank. Grinding Tool for Iron Drill Bit Accessories. Drill Bit Sharpening Tool Drill Bit Sharpener. Sharpener with Grinding Polishing Wheels. Twist Drill Grinder Sharpening Machine Portable. [Note]The drill bit sharpener is mainly used for grinding iron drills, not suitable for other high hardness drills. [Package includes]1 x Drill Bit Sharpener, 3x Grinding Wheel, 1x Wrench [Fitment]The grinder drill bit set sharpener with grinding wheel suitable for grinding 2-12.5mm iron drill bit, can be used with electric drills [Size Information]Compact drill grinding tool length approx 18cm/7.09inch, portable tool is easy to carry around and don't take up space in your backpack [Feature]Portable Straight Shank Twist Drill Grinder Sharpening Tool with self centering point, do not need assistant center drill or center punching