Features and Benefits:?1", 20MM Arbor?Clean Cuts?Cuts Hard & Soft Materials?Fast Cutting?Longest Life compared to other Milwaukee Diamond BladesMilwaukee diamond blades are designed to the highest standards, only using quality diamonds. Available in sizes 4 in. to 14 in. Milwaukee's diamond blade line will cover a full range of materials including specialized blades for green concrete, asphalt, and ductile iron. All Milwaukee blades are designed for both wet and dry cutting.