Stirring Bar, Shape Micro, Material Alnico, Product Type Stirring Bar, Diameter - Metric 3 mm, Overall Length - Metric 8 mm, Overall Width - Metric Not Applicable, Autoclavable Yes, Color White, Standards Compliant, ISO 9001:2015, SGS Certification, USP Class VI, Coating PTFE, Features For Environmental Testing and Life Science Applications Where Small Sample Volumes Need to Be Prepared and Evaluated, For Use With Gradient Makers, Tubes, Vessels, Vial