Alnico Stir Bar W/spin Ring, 5/8 X 3 1/8", White

These powerful Alnico-magnet spin bars are perfect for mixing solutions on a magnetic stirrer. • Powerful Alnico steel magnet, one of the strongest magnets for this purpose • Permanent Polytetrafluoroethylene (PTFE) coating provides excellent resistance to contamination • Resistant to temperatures from -270 to +260°C • Center molded pivot ring minimizes the contact area between the bar and the vessel; reduces friction and chattering