Our Diamond Segment/Tip for 300mm, 350mm, 400mm, 450mm to cut granite. 250 -800 mm Diamond Segment for Granite dimension (Common) Diameter Dimension of Segment No.of Teeth Inch mm length Thickness Height 10″ 250 40 2.8 12 or 15 or 20 18 12″ 300 40 3.2 12 or 15 or 20 21 14″ 350 40 3.4 12 or 15 or 20 24 16″ 400 40 3.6 12 or 15 or 20 28 18″ 450 40 4.0 12 or 15 or 20 32 20″ 500 40 4.2 12 or 15 or 20 36 24″ 600 40 4.6 12 or 15 or 20 42 28″ 700 40 5.6 12 or 15 or 20 42 32″ 800 40 6.0 12 or 15 or 20 46