Stir bars and stir bar retriever

Pack of 10 Magnetic stir bar is made from ALNICO, one of the strongest permanent magnets available Encapsulation in PTFE protects both magnet and what it is stirring. Chemically inert and easy to clean Can withstand temperatures up to 250°C, making them suitable for use with both unheated and heated stirrers The stir bar retriever can recover stir bars even in hot solutions when stirring and mixing is no longer required 120553 Stir Bar Retriever (pack of 5) Catalog #s 120547 - 10x5mm 120548 - 20x8mm 120549 - 25x7mm 120550 - 28x8mm 120551 - 30x8mm 120552 - 35x9mm 120553 - stir-bar-300mm-5pack More info:  https://www.heathrowscientific.com/stir-bars-stir-bar-retriever-i-120547-group