Portable and ready to use: The grinding tool is portable and suitable for grinding 2-5mm, 5-8mm, 8-12.5mm. straight shank drill bit. Corundum Grinding Wheel: The grinding wheel is brown corundum grinding wheel (mainly used to grind iron drills, other high hardness drill bits are not suitable, the loss will be relatively large). Wide range of use: standard shank with 6.35mm hexagonal side, suitable for all types of manual and pneumatic electric drill. The wheel cap is removable for easy wheel replacement. Refresh Now: Give your dull old drill bits a second life with this quick and easy sharpener. Style:Orange Product Features: Material: Plastic. Sharpening Stone Material: Brown Corundum. Dimensions: 180 x 40 x 32 mm. Net weight: 0.08 kg. Colour: orange. Package: 2 x grinders, 2 x wrenches, 1 x drill tool. Package dimensions: 190 x 78 x 42 mm. Description: - Great quick and easy way to sharpen drill bits. - Use your drill to rotate the 100 grit wheel and simply press the bit against it for a sharp edge. - For both sides. - Designed for multiple drill bit sizes. - Perfect gift for any DIYer. Features: - Applied to the iron bit. - Improves the use of drill bits. - Use electric drill with electric drive. - Small and portable, handy tools. - Wear-resistant corundum grinding wheel. Note: The color of the actual item may vary from the of the photo, depending on your computer's display and brightness settings. 1-3cm error in measurements is possible. Contents: Set: 1 sharpener of drills, 2 grinding wheels, 2 keys.