?HIGH CARBON STELL?: With sufficient bending strength and wear resistance, which ensure high working efficiency. Nano blue coating enables the tool cutting edge to maintain crucial sharpness and lubricity with extreme nano hardness and heat resistance. ?MATERIAL?: Using ultra-fine grain carbide with good milling and cutting performance, which have ultra-fine carbide material that features high hardness, high strength, high wear resistance and high bending strength. Excellent milling performance, high efficiency, smooth chip removal, stable and reliable. ?ADVANTAGE?: Sharp cutting edge, milling, perforated and flat edge, clean surface, neat, no disturbances. ?APPLICATION?: PCB, SMT, CNC, mold, plastic fiber, carbon fiber, hardwood, printed circuit board and other precision components. Suitable for 3D relief sculpture, cutting, engraving, slotting, milling, etc. ?CUTTING EDGE DIAMETER?: 0.8-3.175mm (0.8/1.0/1.2/1.4/1.6/1.8/2.0/2.2/2.4/3.175mm), 10pcs.