Drill Doctor DDSBÂ sharpens both spade and twist bits. The module on one side of the DDSB will sharpen a vareity of twist bits, from 3/32″ to 1/2″, while the module on the other side uses a wheel to sharpen spade bits from 1/4″ to 1-1/2″, including specialty bits with screw points and spurs. An EZ Align system assures proper alignment for each bit. The DDSB has a suggested price of $119.95.
