Description: Material: The drills bit sharpener is made of plastic material, which is sturdy, wear resistant, not easy to deform, and has a long service lifeDirectly Replace: Grinder drills bit sharpener, high reliability and performance, you can directly replace old or damaged partsHigh Performance: Professional drills bit grinding attachment, sturdy and stable performance, has grooves for various sizes, you to easily grind drills bit at different angles, improve your work efficiencyEasy To Install: The grinder attachment is easy to install and does not require complex steps to complete the installationProduct Size: The drills bit sharpener size is 14.5 cmx5 cm/5.71 inchx1.97 inch, compact, and makes it great for outdoor carry. Applicable drill range: 3 mm-12 mm/0.12 inch-0.47 inch Specification: Material: Plastic Size Chart: 14.5 cmx5 cm/5.71 inchx1.97 inch Package Includes: 1x Grinder Bit Sharpener Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.