... 2.better used with CNC machine 3.support online order by Escrow 4.factory price vacuum brazed diamond point tools bits ... 90,120Ovl: 40mm,45mm,50mm,60mm,70mm,90mm,150mmUsed: hand tools, CNC machineapplication: tombstone,tile,sone,marble ,granite,glass,concrete ... hardness meterialsAbout UsLONGXIANG Tool Technology is Professional Vacuum Brazed Diamond Tools Supplier in China. We have been in the business ...