ITM Drill Doctor Industrial, 240v, 2.5mm-19mm Capacity DD750XThe Drill Doctor 750X model is designed for the tradesman requiring a versatile sharpener for every day use. The 750X has the durability and the flexibility required to sharpen the largest range and most popular sizes of dull or broken bits, including split points and masonry bits. The DD750X also adds increased capacity, sharpening up to 19mm Diameter bits. Works Every Time Consistently sharpen bits as good or better than brand new. Convenient