Double Spinfin® Magnetic Stirring Bars agitate liquids in round bottom vessels such as test tubes, cylinders and flasks, where other stirring bars cannot be used.
Fins on top and bottom ensure complete agitation
Maintains its position in a vessel and will not wobble
Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® brand PTFE Coating – Superior Chemical Compatibility
Manufactured in a registered ISO 9001:2015 facility, as verified by SGS certification
Autoclave safe
TEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc.

For information on:
How to choose the correct Stirbar – Choose the Correct Stirbar for your Stirplate
What Stirbar is best for my application – Stirbar Shape and Performance
Stirbar sizes – Stirbar Actual Size Guide
Stirbars that work best in viscous solutions or when stirring at high speeds – Rare Earth Stirbar – Stronger Coupling