Magnetic Stir Bar Assortment – Set of 20 – 2 Each of 10 Sizes

These magnetic stir bars are constructed of high quality magnets coated with PTFE.  Primarily used in biology and chemistry laboratories, magnetic stir bars are great for mixing liquids in laboratories.  This Magnetic Stir Bar Assortment is a set of 20 which contains 10 different types/sizes of magnetic stir bars.  

Magnetic Stir Bar Assortment contents:

• 2 – 12mm x 3mm polygon magnetic stir bar without the pivot ring
• 2 – 70mm x 9mm polygon magnetic stir bar without the pivot ring
• 2 – 15mm x 7.5mm octagon magnetic stir bar with pivot ring
• 2 – 25mm x 8mm octagon magnetic stir bar with pivot ring
• 2 – 35mm x 9mm octagon magnetic stir bar with pivot ring
• 2 – 40mm x 8mm octagon magnetic stir bar with pivot ring
• 2 – 48.5mm x 10mm octagon magnetic stir bar with pivot ring
• 2 – 15mm x 7mm egg-shaped magnetic stir bar with blunt edges
• 2 – 30mm x 13mm egg-shaped magnetic stir bar with blunt edges
• 2 – 50mm x 20mm egg-shaped magnetic stir bar with blunt edges