Stirring Bar, Shape Octagon, Material PTFE, Product Type Stirring Bar, Diameter - Metric 8 mm, Overall Length - Metric 38 mm, Overall Width - Metric Not Applicable, Autoclavable Yes, Color White, Standards FDA Compliant, Coating PTFE, Features Stir Bars Should Be Stored in Pairs to Maintain Magnetic Strength, Package Quantity 12. This item has been restricted from sale in the following state (s): []