Feature(may vary by option.)

●Drill bit sizes: 4 - 22 mm
●The surface of the drill bit is coated with titanium nitrite in gold
●Suitable for use to cut holes in a variety of materials such as steel, brass, wood, plastic, etc
●These drill bits are very good and sharp in quality. The cut pattern of the holes is very clean
●Practical for any craftsman and hobbyist

[1 piece.]

Description

SYCEES HSS professional step drill 4-22 mm peeling drill cone drill bit cone drill bit cutter