The complete set of Master router bits is consisted of 6 main positions, three metallic grinders PROFESSIONAL® on positions 1 and 2 which are with a rotating toucher, followed by a BIPOWER® third position. The last three tools are LONGLIFE® rubber polishers. You also have the option to have a RAZORSTONE® pre-cutting tool or even a FRANGISTONE® breaker which increase the life of the other tools and help you to have even better finishes on your workpiece edge. Both breaker and pre cutting tool also have the rotating toucher. If you are only working with soft materials such as marble you can choose the Electroplated tools on positions 1 and 2.