Polygon Spinbar® Magnetic Stirring Bars with Pivot Ring
By Bel Art Products![Polygon Spinbar® Magnetic Stirring Bars with Pivot Ring](https://krackeler.com/tt/lg/graphics/0008/jpg/37122srs-37.jpg)
These stirbars have polygon multifaceted surfaces that add turbulence relative to similar smooth size cylindrical bars. Center molded pivot ring minimizes the contact area between the bar and the vessel; reduces friction and chattering. Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon® PTFE low friction coating. Autoclave safe.