DescriptionThe stir bar is placed inside a container of liquid or solution, could be used for magnetic stirrer, excellent performance, simple to use for laboratory. It can offer you better service. Using safe materials, magnetic stirrer bar is excellent and useful, convenient and practical to use.Features-Color:White -Material:PTFE -Size:3.00X0.80X0.80cm/1.18X0.31X0.31in - Magnetic stirring bar is wear resistance, high rotational force, excellent performance, simple to use.- Unique shape and smooth surface can reduce friction and improve smooth rotation.- Made of PTFE material, safe and excellent, useful and practical, could be used for longer time.- You will get enough PTFE magnetic stirrer mixer bars, easily meet your demands when doing experiment.- Applied to stir a liquid or solution for scientific research, experiment and laboratories.