Paints often separate over time, with the heavier pigment sitting at the bottom of the bottle, these agitator balls will allow you to easily mix paints, returning them to perfect consistency. Simply add the mixing balls to your desired paint pot, give it a good shake, and your paint will be mixed thoroughly in no time.  Add to paints for easy and effective mixing  For better paint consistency & coverage  Rust-proof stainless steel (5.5mm) Ideal for modelling paints including Vallejo, AK Interactive, Army Painter & more.