[Application] This drill bit sharpener is designed for sharpening iron-based drill bits. It is not suitable for high-hardness drill bits. [Easily Increase the Life of Drill Bits] Eliminate inconsistent manual sharpening and edge tapering. Extend drill bit life, reduce replacement frequency, and save time and money. [Reliable and Efficient] Compact and portable drill bit sharpening tool. Use with a power drill to maintain sharp, ready-to-use bits. [Material] Constructed from high-quality ABS plastic and a pink corundum grinding wheel. The wheel offers high hardness, rust resistance, and durability for effective iron drill bit sharpening. Specifications: Type: Corundum Drill Bit Sharpener Compatible with: Iron-based drill bits sized 5/64 inch to 1/2 inch (2–12.5 mm) Color: Blue + Orange Material: Plastic + Corundum Grinding Wheel Size: 18.5 × 4 cm Package Contents: 2 × Corundum Drill Bit Sharpeners (each includes a grinding wheel) 2 × Replacement Grinding Wheels 2 × Wrenches Note: The included grinding wheel is a brown corundum type, optimized for iron-based drill bits. It is not recommended for high-hardness drill bits, as performance may be reduced.