Spare Paint Pots for mixes with Mixing Balls (Green Stuff World)Spare Paint Pots for mixes with mixing Steel Balls Set of spare empty jars or paint pots in 17mL with mixing stell balls and dropper. Agitator balls will garantee a proper mixture of all paint contents and therefore they will avoid having all pigments deposited in the bottom of the pot specially after long term storage. These mixing balls are coming with a special coat to make them completely paint proof which will avoid rusting after long periods in