1A1R Ultra-thin Precision Cutting Wheel,High Precision Cutting Wheel,the thickness can be 1.3mm to 1.9mm,diamond and CBN precise cut off wheel available.1A1R High precision diamond and CBN cutting wheels take use of synthetic diamond and CBN superabrasives and high grade metal powder material under high pressure to produce the cutting rim and then use CNC grinding machine to grind the rim to very thin thickness for precision cutting.