
This makes them difficult to tell apart from other items in my kit. Labels aside, they appear to be real cobalt. I have used them on 316 stainless steel which is quite difficult. Seems to last a reasonable amount of time.

American Carbide Tool Carbide Tipped Threading
3 Review

Round Brass Rod 3Mm Diameter
3 Review

Precision In Lab Work: Heavy Duty, 4.75-Inch General Purpose Forceps With Medium-Curved Tips From Scientific Labwares
5 Review

π 5 Diameter Round Brass Rod: Durable and Versatile Metal for Various Projects
3 Review