These egg-shaped stirring bars, designed especially for use in round-bottom vessels, spin unrestricted by the vessel contour.

• Excellent for round-bottom flasks
• Provide their own pivot point without a separate ring or abrupt change in contour
• Offers minimal contact when used in plastic containers

The magnet itself is egg-shaped with a Teflon® PTFE coating, except the three smallest sizes have a cylindrical magnet in an egg-shaped Teflon® PTFE coating. Autoclavable.