Stirring Bar, Shape Egg, Material PTFE, Product Type Stirring Bar, Diameter – Metric 12.7 mm, Overall Length – Metric 25.4 mm, Overall Width – Metric 12.7 mm, Autoclavable Yes, Color White, Standards FDA Compliant, Coating PTFE, Features Shaped to Spin Freely, For Use With 100 to 250 mL Flask, Round Bottom Vessels