Rare Earth Extra Power Stir Bars, Elliptical, L × Diam. 10 mm × 6 mm, Z671657, Aldrich (CAT#: STEM-L-4932-Y)

Stirring bars using rare earth magnets have significantly increased magnetic strength compared to those using Alnico magnets, but more importantly they are almost totally resistant to demagnetisation.

Material: PTFE-coated (Elliptical)
egg-shaped
Mfr.: Cowie, 001.2610.RE
L: 10 mm
Diam.: 6 mm

Rare Earth Extra Power Stir Bars, Octahedral, L × Diam. 25 mm × 8 mm, Z671606, Aldrich (STEM-L-4930-Y)
Rare Earth Extra Power Stir Bars, Elliptical, L × Diam. 25 mm × 14 mm, Z671673, Aldrich (STEM-L-4931-Y)