Magnetic stirring bars with pivot ring have an octagonal shape, which provides greater surface area and added turbulence. The pivot ring aids in reducing friction. Six sizes are available. The six-piece assortment includes two of each size.
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The octagonal shape of these magnetic stirring bars provides greater surface area and added turbulence compared to smooth cylindrical stirring bars. The molded-on pivot ring aids in reducing friction, chattering and the marring of plastic containers. Stirring bars consist of an Alnico-V magnet encapsulated in a PTFE coating, which provides excellent chemical resistance. Six sizes available. Six-piece assortment includes two each of 1" x 5/16", 1½" x 5/16" and 2" x 5/16" sizes.