Hss Pro Cobalt Drill Bit | Set 5pcs

Features

•  This kit includes 5 feathers with the following sizes: 4 mm, 5 mm, 6 mm, 8 mm, and 10 mm.
•  A 135  head divided by a perfect concentration and needs less pressure.
•  The edges are manufactured in quality for higher resolution and faster output.
•  A golden cover that resists rust and corrosion.