STIRBAR (SPINBAR) PTFE 76x.19mm. (3"X3/4") EGG

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.