... cut fast 3.good worklife 4.be made as desires diamond blade for marble , granite , limestong , etc.1. use ELEMENT ... diameter Inner diameter (mm) Dimension of tooth Number of teeth Inch mm Thickness(mm) Height(mm) 12’ ’ 300 50/ ... 60 3.2 10/12/15 /20 21 14’ ’ 350 50/60 3.4 10/12/15 /20 ... reference, can produce accoding to custom's requirements. diamond blade for basalt , lava , granite , marble , etc