All sets are based on best practices.
For cylindrical jars the sets are a composite of 2 – 4 different sizes of grinding balls.
Please note sets are specific for each size. So a set for a 3 liter jar is not equal to 3x a set for a 1 liter jar.

For JPAL jars:
Quality of the balls is BGA92 or BGA95 depending on what we have in stock.
If you want a higher quality please ask for a quote.
If you prefer zirconium ZrO2 please order here.

For JHPP jars:
Quality of the alumina balls is BGA90, BGA92 or BGA95 depending on what we have in stock.
Quality of the steatite balls is BS-67.

For JPRM and JRM jars:
Quality of the alumina balls is BGA90, BGA92 or BGA95 depending on what we have in stock.