Diamond Blade is for cutting all kinds of stone, ceramics, concrete, pavement bricks, asphalt, etc., using a wide range. mmOuter diameter(mm)Saw tooth height(mm)Sawtooth thickness(mm)Aperture(mm)Number of teeth8081.720810581.820810891.820811481.820812581.822.231015082.025.41118082.225.41420082.225.41423082.425.416