Stirring Bar, Shape Octagon, Material Alnico, 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, ISO 9001:2015, SGS Certification, USP Class VI, Coating PTFE, Features Pivot Ring Aids in Reducing Friction and Chattering, Package Quantity 6 Featuring an integral pivot ring, this octagonal stirring bar has an interrupted profile which provides greater surface area and added turbulence when compared to the smooth surface of a cylindrical bar. Durable and inert, it's made of an Alnico magnet encapsulated in a low-friction PTFE coating. A pivot ring aids in reducing friction and chattering. Autoclavable.