Stirring Bar, Shape Octagon, Material Alnico, Product Type Stirring Bar, Diameter – Metric 12.7 mm, Overall Length – Metric 38.1 mm, Overall Width – Metric Not Applicable, Autoclavable Yes, Color White, Standards FDA Compliant, ISO 9001:2015, SGS Certification, USP Class VI, Coating PTFE, Features Alnico Magnet, Multi-Faceted Shape, Pivot Ring, Superior Chemical Compatibility, Uniform, Consistent, and Thorough Mixing