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 FDA 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