... 250-3000mm 2.K,M,Block shape 3.cutting segment,grinding segment Diamond segment for diamond saw blade1.We do diameter from 250-3000mm.2 ... 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, ...