Precision Micro Pencil Die Grinder for Engraving, Cutting & Cleaning

300mm Drill Bit Holder Quick Release Screwdriver Rod Magnetic Extension Rod Application: Suitable for electric drills, screwdrivers, pneumatic screwdrivers, etc., to extend various types of bits and screwdrivers; fast, greatly improve work efficiencyInterface with locking mechanism, built-in strong magneticUses: Hand drill, power saving accessories, energy saving, the diagonal diameter of the hex handle is 1/4" or 6.35mm. brand new and high quality, Material: carbon steel,< /p>Note: The data are all manual measurement, please allow 1 - 4cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received.