Color: Blue with 1 Wheel/Orange with 1 Wheel Material: ABS corundum grinding wheel Grinding wheel material: brown corundum grinding wheel Handle material: ABS Product size: 180*95mm Specifications: Grinding wheel currently used in the product is a brown corundum grinding wheel, so the product is mainly used for grinding iron drills. Other high hardness drills are not suitable for use, and the loss will be relatively large. 1. Use electric drill with mandrel to drive this tool. 2. Sharpen bits and improve your work performance. 3. Grinding wheel made of wear resistant corundum. 4. Good sharpening effect, saving a lot of effort. 5. Light weight and compact size, easy to load. Package Included: 1 x Twist Drill Grinder 1 x Wrench