Stirring Bar, Shape Octagon, Material Alnico, Product Type Stirring Bar, Diameter - Metric 8 mm, Overall Length - Metric 51 mm, Overall Width - Metric Not Applicable, Autoclavable Yes, Color White, Standards Compliant, ISO 9001:2015, SGS Certification, USP Class VI, Coating PTFE, Features Pivot Ring Aids in Reducing Friction and Chattering, Package Quantity 5