Cylindrical Spinbar® Magnetic Stirring Bar
By Bel Art ProductsCylindrical magnetic stirring bars offer excellent centering and smooth running characteristics. Small removable pivot ring in the center adds to their versatility and minimizes contact area of the bar to the vessel, reducing friction and lessening damage to containers (some bars available without pivot ring). Alnico magnet encapsulated in FDA Grade, USP Class VI PTFE low friction coating. Autoclave safe.