... cut fast 3.good worklife 4.be made as desires diamond blade for marble , granite , limestong , etc.1. use ELEMENT SIX ... shape, depends on different requires.5. can reduce cutting friction a lot.6. improve slab flatness and cutting efficiency.7 ... /12.5x20Above specificaiton is just provided for reference, can produce accoding to custom's requirements. diamond blade for basalt , lava , granite , marble , ...