1.MPA certificates 2.ISO9001 3.thinkness 1-3.5mm 4.using life for marble 200m 5.can make the customer logo diamond saw blade:have best quality and sharp Inner Diameter (Hole)SegmentSegmentOuter Diameter(D) InchMetricInchMetric(T X H X L)Number4"1055/8", 20, 7/8"16, 20, 22.231.8x7.0x356/7/84.3"1105/8", 20, 7/8"16, 20, 22.231.9x7.0x32.394.5"11520, 7/8"20, 22.231.9x7.0x38.385"12520, 7/8"20, 22.231. ...