Octaganol Stir Bar Kit PTFE, Contains 2 of 5/16 x 1", 2 of 5/16 x 1-1/2", 2 of 5/16 x 2-1/2"

• The PTFE octagonal stirring bars feature ALNICO V magnetic cores which are one of the most powerful permanent magnet alloys available.
• Octagonal stir bars should not be stored in a random mass or dropped on a hard surface, especially steel.
• Stir bars should be stored in pairs to maintain magnetic strength.
• In general, PTFE thickness accounts for 18% of stir bar diameter.

6 Stir Bar Kit contains:

• (2) each 5/16 x 1" (8x25mm) 
• (2) each 5/16 x 1-1/2" (8x38mm)
• (2) each 5/16 x 2-1/2" (8x64mm)