1、Premium Material: Stirring bar is made of PTFE and premium magnets with olive shape and slippy surface, which reduces friction and improves the smoothness of rotation. 2、Durable Design: Magnetic stirring bar can withstand high temperature, abrasion and high rotational force, and features fine workmanship, no impurities and burrs on the surface. 3、Easy to Use: The magnetic stirring bar can be reused after cleaning. Can be used with all types of magnetic stirrers or heating stirrers. 4、Easy to Clean: With its rounded surface and durable construction, this magnetic stirrer rod is easy to clean and maintain, providing a environmentally friendly solution for laboratory stirring needs. 5、Versatile: Compatible with a wide range of magnetic stirrers and heating stirrers, this PTFE stirrer bar is a versatile tool that enhances the functionality of laboratory instruments. 10 x Magnetic Stir Bar Item Type: Magnetic Stir Bar SetProduct Material: PTFE, MagnetUse: You can place the magnetic stir bar into a beaker or other container. Place the container on the platform of the electromagnetic heating stirrer and turn on the switch of the electromagnetic heating stirrer. The magnetic stirrer will generate a rotational force that will drive the substance to rotate rapidlySize: Approx. 35x12mm / 1.38x 0.47in