Stirring Bar, Shape Star, Material Alnico, Product Type Stirring Bar, Diameter – Metric 14.3 mm, Overall Length – Metric 31.8 mm, Overall Width – Metric Not Applicable, Autoclavable Yes, Color White, Standards FDA Compliant, ISO 9001:2015, SGS Certification, USP Class VI, Coating PTFE, Features The In.+ In. Shape Creates a Deep Vortex and Provides Stable, Quiet Operation