Feature: 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. Specification: Item Type: Magnetic Stir Bar Set Product Material: PTFE, Magnet Use: 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 rapidly Size: Approx. 35x12mm / 1.38x0.47in. Package List: 10 x Magnetic Stir Bar Note: All data are measured manually, and there are certain errors in the measurement results.