Buytra 7 Pieces PTFE Magnetic Stirrer Mixer Stir Bar and 11.8" Magnetic Stir Bar Retriever, White: Amazon.com: Industrial & Scientific
Stir Bars and Stir Bar Retriever | Thomas Scientific
Magnetic stirrer - Wikipedia
Magnetic stir bar | Minitube
Stirrer - Magnetic Stirring | Stirring and Mixing | Technical information | BOLA - Tubing, Stirrer Shafts, Magnetic Stirring Bars - Labware made of PTFE
Stir-bar contamination may inadvertently catalyze reactions
Magnetic Induction Stirrer
LAB SAFETY SUPPLY, Alnico V Magnet, Octagon, Magnetic Stir Bar - 21R590|21R590 - Grainger