... size 3.low impuritie 4.competitive price Product DescriptionDiamond powder 1. It is the fine size of the synthetic diamond ... and so on. 2. Diamond powder grit: 0-1/2, 0-1, 0-2, 1-2, 1-3, 2-4, 3-6, 4-8 ... : 500/600#\400/500#\325/400#\230/270#\ 200/230#\170/200#\ 140/170#\120/140#\100/120#\80/100#\70 ... size: 500/600#, 400/500#, 325/400#, 230/270#, 200/230, 170/200#, 140/170#, 120/140#, 100/120#, 80/100#, 70 ...