Pivot Ring Stir Bars are for use with containers with slightly curved or uneven bases. Stirrer magnets are made from FDA approved PTFE. They feature Alinco V magnet cores and Isostatic encapsulation to eliminate cracks and porosity. PTFE Stir Bars have a polished finish to reduce pick-up and cross contamination. They can be sterilized using thermal or chemical means.

25 piece minimum – may be assorted styles and sizes.