Instrument do drilling Portable parts do drilling rig Electric drilling machine Description: [Product list]: 1 handle do sharpening drill bits. The diameter is 95 mm. [Convenient]: The do drilling instrument is equipped with different length units, including marking methods in mm and inches, which is more in line with your needs. [Easy to install]: The do drill bit sharpening handle ma simple design and can be installed directly on the device without complicated operations. [Accurate Grinding]: The drill guide device is suitable do diameter 3 to 12 mm, and the multi-hole design makes the grinding process easier. [High-Quality Materials]: The do drilling instrument uses high-quality materials that are durable, and the thickened design allows you to use it for a long time. Specification: Material: engineering PP Size Chart: Diameter: 95mm The package includes: 1 drill guide template