ITEM NAME:10x Titanium Coated Carbide Pcb Engraving Cnc Bit Router Tool 30 Degree 0.1 Z5E4 10x Titanium Coated Car.Range of processing:PCB,SMT,the CNC,mold,plastic,copper. Material:Tungsten cobalt alloy. Type:Flat bottom engraving bits. 10 engraving machine tool set. Degree:30 degree. Improve the speed and feed of the tool,Improve the surface wear resistance.