What is this?Magnetic stir bars are used to stir liquids or solutions in the biology and chemistry field, research laboratory applications, etc.What will I get?The magnetic stir bar is in size of:Total Size(L*W): 20mmx20mm(0.79"x0.79"); Thickness(Approx): 9mm(0.35 inch); In the package of: 2 x Magnetic stir barAre there any advantages of the product?The magnetic stir bar is made from magnet with PTFE coating, the coating is corrosion resistant and has good resistance to high temperature(temperature tolerance range:-180 ℃~250 ℃), smooth surface, reduce friction and improve smooth rotation, easy to clean. With better rotational stability and better stirring effect.How to use it?Usually used with a magnetic stirrer or heating stirrer, quieter, more efficient than other stirrers.
eBay