If you're working in a lab or just love science experiments at home, this 7-in-1 magnetic stir bar set is exactly what you need! You get seven different sizes ranging from tiny 8x5mm all the way up to 35x7.5mm, so you've got the perfect stir bar for pretty much any container. The ring shape is genius because it gives you better rotational stability and way better stirring action in flat-bottomed containers. They're made with magnets coated in PTFE (that's Teflon), which means they're corrosion resistant and can handle crazy temperature ranges from -180°C to 250°C. The smooth surface reduces friction so they spin smoothly and quietly, plus they're super easy to clean. Just pop one in your container, place it on your magnetic stirrer, and watch it go to work mixing your solutions perfectly. They're reusable too - just wash and dry them after each use. Quick tip: make sure you keep them away from iron and other magnetic materials to preserve their magnetic properties. Also, always place them in the center of your container bottom for the best results. When you see the coating getting worn or the magnetic strength fading, it's time to replace them. Whether you're in a professional lab, teaching students, or just doing some cool home chemistry, these stir bars make mixing so much easier and more efficient than manual stirring.
Free 30-day returns 
Free 30-day returns
