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VWR® Spinbar® Magnetic Stir Bars, Polygon with Pivot Ring


Polygon stir bars have a center molded pivot ring that minimizes the contact area between the bar and the vessel, thus reducing friction and chattering.

  • Reduces marring of plastic containers
  • Multifaceted surface adds turbulence relative to similar size smooth cylindrical stirring bars

Alnico magnet encapsulated in FDA grade Teflon® PTFE is durable and inert.



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Diameter Length Supplier No. Catalog Number Unit List Price Quantity
7.9 mm (5/16 ") 51 mm (2") F37122-0050 74950-296 Each Retrieving
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