... :250-3000mm 2.K,M,Block shape 3.cutting segment,grinding segment Diamond segment for diamond saw blade1.We do diameter from 250 ... granite,marble,basalt,limestone,volcanic,concrete,etc.....5.we use different special formula to do the segment,so that meet your require ... about the tools shape and tools life.6.diamond segment have be strict tested before approaching market,ensure quality,also ...