Stirring Bar, Shape Octagon, Material Alnico, Product Type Stirring Bar, Diameter - Metric 8 mm, Overall Length - Metric 40 mm, Overall Width - Metric Not Applicable, Autoclavable Yes, Color White, Standards Compliant, ISO 9001:2015, SGS Certification, USP Class VI, Coating PTFE, Features Absence of a Pivot Ring Allows the Spinbar to Stay Close to the Bottom of the Vessel, Enabling Scraping of Solids, Optimal Coupling with Magnetic Spindrive as Entire Length of Stir Bar is Close Contact