BAR PTFE 1-1/4X3/8. ,Each

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Here is the corrected text: **Cylindrical Spinbar Magnetic Stir Bars** These cylindrical magnetic stirring bars offer excellent centering and smooth running characteristics. The pivot ring minimizes the contact area of the bar to the vessel, reducing friction and lessening marring of plastic containers (except for 7.9x12mm and 7.9x19mm models which have no pivot ring). **Key Features:** * Small removable pivot ring in the center adds to their versatility * Alnico magnet encapsulated in FDA Grade, USP Class VI Teflon PTFE low-friction coating * Durable and inert * Manufactured in a registered ISO 9001:2008 facility, as verified by SGS certification * Autoclavable **Assortments:** * 6-ASSORTMENT includes six Cylindrical Spinbar Magnetic Stir Bars with removable pivot rings, 2 each size; 1 x 5/16" (25.4 x 8mm), 1-1⁄2 x 5⁄16" (38.1 x 8mm), 2 x 5⁄16" (50.8 x 8mm) * 22-ASSORTMENT includes two of each in a plastic, compartmentalized Spinbox: 12.7x7.9mm (1/2x5/16"), 38.1x7.9mm (11/2x5/16"), 12.7x9.5mm (1/2x3/8"), 44.4x7.9mm (13/4x5/16"), 19.0x7.9mm (3/4x5/16"), 50.8x7.9mm (2x5/16"), 25.4x7.9mm (1x5/16"), 50.8x9.5mm (2x3/8"), and 25.4x9.5mm (1x3/8"), and one of each:31.8x7.9mm (11/4x5/16"), 38.1x9.5mm (11/2x3/8"), 31.8x9.5mm (11/4x3/8"), and 44.4x9.5mm (13/4x3/8") **Length Options:** * 25 mm (1") * 32 mm (1¼") * 64 mm (2½") * 127 mm (5")