Features and Benefits: The DD750X shop model is designed for durability and has the flexibility required to sharpen the largest range of dull or broken bits-including split points and masonry bits. The DD750X also adds increased capacity, sharpening to bits. One chuck - sharpens all sizes 3/32-3/4 New Push to Stop splitting port - will not allow you to over split the bit point Adjustable material take-off - allows user to change the amount of bit material to extend the life of your bits User replaceable sharpening wheel - No tool needed Cast aluminum point angle shuttle - added durability