VWR International STIRBAR (SPINBAR) PTFE 76mm x 19mm EGG - S8850-9

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 PTFE? PTFE coating, except the three smallest sizes have a cylindrical magnet in an egg-shaped PTFE? PTFE coating. Autoclavable.