400430 | Corning® 2 x 3/8 Inch PTFE-Coated Magnetic Stir Bar | Corning
High Magnetism Magnetic Stir Bar Retriever 350mm Length PTFE Coated for collecting Stirrer Rods - Walmart.com
BIPEE 7pcs Octagon PTFE Magnetic Stirrer Mixer Stir Bars White Color: Amazon.com: Industrial & Scientific
SP SCIENCEWARE, Round, 1 in x 5/16 in/2 in x 5/16 in/11/2 in x 5/16 in, Magnetic Stirring Bar - 8DK48|F37161-0000 - Grainger
LAB SAFETY SUPPLY, Alnico V Magnet, Octagon, Magnetic Stir Bar - 21R590|21R590 - Grainger
Stirrer - Magnetic Stirring | Stirring and Mixing | Technical information | BOLA - Tubing, Stirrer Shafts, Magnetic Stirring Bars - Labware made of PTFE