Mini Magnetic Stir Plate
Use this Mini Magnetic stir plate from Brewer's Best to stir your yeast starter or anything you need to stir without direct contact.
The stir bar is a magnet coated in Polytetrafluoroethylene Plastic. The magnet in the stir plate turns the stir bar through plastic or glass, and the speed dial lets you adjust how quickly it turns, allowing you to stir a closed container.
Size: 5" Diameter x 2 1/4" Height