VWR Spinbar Stir Bars Octagon Color-Coded Red. Bel-Art VWR Spinbar Magnetic Stir Bars are made from a special magnetic material that will not react with acidic or caustic chemicals will not react with alcohols or alkalis will not react with nitric acid and will not react with most organic solvents. These Bel-Art VWR Stir Bars are color-coded for visual recognition in your lab so that you will know the size of the stir bar you need without wasting time on color-coded pickers. These Bel-Art VWR Spinbar Magnetic Stir Bars Octagon Color-Coded are great for a number of applications including a broad range of mixing vessels such as round or conical stirring tubes cylindrical vessels and container vessels with top or lid attachments. Specifications for VWR Spinbar Stir Bars Octagon Color-Coded 371095013 Red : L x Dia. mm (in.): 38.1 x 7.9 (11/2 x 5/16) (Please note that the description and stock photo may not correspond to the specific model listed above) We offer only genuine Bel-Art products authorized for sale in the U.S. and other markets so you can be sure that you are buying authentic Laboratory Apparatus with a full manufacturer's warranty in addition to our own 100percent Satisfaction Guarantee. We are your premier online distributor for VWR Laboratory Apparatus. We are an authorized supplier to all federal and state government agencies as well as to research and educational institutions and can facilitate volume orders on many types of laboratory equipment lab consumables and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over 49. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses. In addition to the VWR Spinbar Stir Bars Octagon Color-Coded Red 371095013/ 58949-060 we carry a full complement of Laboratory Apparatus as well as other product offerings from Bel-Art. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs. For a complete selection of VWR Laboratory Apparatus please visit our Bel-Art page. For more brand name Laboratory Apparatus please visit our Laboratory Apparatus store section. To see our complete line of lab medical industrial and scientific products please see our science and lab equipment online catalog. VWR Spinbar Stir Bars Octagon Color-Coded 371095013 Red