Alumina 999 Tammann Tube PT2 to PT3

[Features]
Rigid balls made of stainless steel (SUS304).
Finished with glossy-polishing.
When putting them in a ball mill pot for grinding, mix 2 or more different sizes and put 1/3 or 1/2 of the pot capacity.
[Applications]
Please use them as balls for grinding and milling.