30pcs Micro Drill Bit Set Jewelry Drill Small Drill Bit Set for Circuit Board Jewelry Engraving

Description This drill bit set contains different size various sizes to meet different needs. This is a necessary kit for you to engrave jewelry and other crafts work. With detailed workmanship no burrs easy to use bringing you safe and satisfying using experience. Features -Color:As Shown -Material:Tungsten steel -Size:3.80X0.70X0.70cm/1.49X0.28X0.28in -Specification: 0.1-1.0mm 2.1-3.0mm 1.1-2mm - Outstanding workmanship designed to drill and engrave satisfy most of your engraving demands. - The drill bits set is nice for punching at printed circuit boards amber beeswax jewelry and more - The micro drill bit set has compact size and light weight easy to use improve the work efficiency. - The drill bits are made of tungsten steel highly wear resistance high hardness highly working efficiency. - Good working performance can drill and engrave on circuit board and other precise work.