ITEM NAME:Pcb Drill Bit Cnc Router Wood Metal Wood Cutting Board Engraving Exercise T A1G5 Pcb Drill Bit Cnc Router Wood Metal Wood Cutting Board Engraving Exercise T A1G5 Cleaning nozzle,3D print use Metal cutting,Board drilling CNC router wood tool The use of high quality materials and superior grinding process makes more sharp cutting edge,Reducing cutting force and broken drill. Weight:approx.40g Color:silver material:metal Size:about 38 mm long Package Contents: 1 set * 10(2.1 mm 2.2 mm 2.3 mm 2.4 mm 2.5 mm 2.6 mm 2.7 mm 2.8 mm 2.9 mm 3.0 mm drill bit each)(The positioning ring is random,Note:Random color,don't accept the specified color.)