1)Diamond saw blades 2)Cutting for marble and granite 3) Carbide Cutting tip 4) High quality 5) MPA certificate Outer Diameter(D)Inner Diameter (Hole)SegmentInchMetricInchMetric(T X H X L)4"1055/8", 20, 7/8"16, 20, 22.231.8x5.04.3"1105/8", 20, 7/8"16, 20, 22.231.9x5.04.5"11520, 7/8"20, 22.231.5x5.05"12520, 7/8"20, 22.231.9x5.06"15020, 7/8"20, 22.231.9x5.07"1807/8", 1", 1-1/5"22.23, 25.4, 302.2x5. ...