Material: ABS + Corundum Grinding Wheel Size: Approx. 6.7x3.3 inch Package Included: 1 x Blue Drill Bit Sharpener Mainly used for grinding iron drill bits, other high hardness drill bits are not suitable. 2-12.5mm Portable Drill Bit Sharpener Corundum Grinding Wheel Titanium Drill Bit Grinder Twist Drill Bit Sharpener Specifications: Condition: Brand New Material: ABS + Corundum Grinding Wheel Main Color: Blue as indicated Size: approx. 6.7x3.3 inches Use an electric drill. Improve drill bit utilization. Wear-resistant corundum grinding wheel. Ideal for fast drilling, tapping, etc. And the quick-replacement composite cone uses the principle of a drill. Lightweight and compact, the drill sharpening tool is easy to carry. Made of high-quality ABS plastic and brown corundum grinding wheel, it can grind iron drill bits very well, and it is durable and not easy to damage. Mainly used for grinding iron drill bits, other high-hardness drill bits are not suitable. Package Included: 1 x Blue Drill Bit Sharpener 1 x Wrench 4 x Grinding Wheels Delivery Quantity: 8pcs/set Product Color: Blue Product Size: 170*85mm Note: Manual measurement, please allow 1-3cm error.Lonvre