Egg-shaped magnetic stirring bar provides its own pivot point without separate ring or abrupt change in contour. Designed for use in round bottom vessels, it is shaped to spin freely, unrestricted by the vessel contour. Manufactured with FDA-grade and USP Class VI PTFE.

Stir Bar, Magnetic, Egg-shaped, fits 12000mL-22000mL flask, Length x Dia. in inches: 3 x 3/4