... 2",Dia 25mm 3)More sharp Sengmented CNC Sintered Diamond Finger BitsWith Curve Segment, so it is more CurveDesigned for fast grinding ... than 6 years.Now we are one of the biggestmetal Diamond tools manufacturer in Fujian Province.2.Main productsPolishing Pads, ... Cutting Blade, Core Drill Bits, Diamond Cup wheel, Finger Bits, Stone Processing Machinery,etc.3. ...