SMART CUT®series Sintered (metal bond) Diamond Grinding Wheels are the longest lasting diamond wheels for cabbing available today. When you need to grind hundreds of cabs. SMART CUT®series Sintered (metal bond) Diamond Grinding Wheels are an excellent investment that will provide: best performance, quality, consistency and overall ROI (Return on Investment). They have a full 3mm of diamond matrix, and solid aluminum cores. These wheels will typically last like many plated or braised diamond cabbing wheels put together. SMART CUT®Sintered diamond wheels will also grind each cab aggressively (first cab as fast as the last). When using SMART CUT®Sintered diamond wheels, we recommend using one diamond mesh/grit size larger for sintered diamond tools as compared to plated or brazed wheels. Reducer rings available to fit most machines.