Octagon 1/2 X 5/16 Blue Spinba ,Each

Details:

Vwr* spinbar* octagonal magnetic stirring bar^ blue. 1/2X5/16in. Teflon* ptfe. 8-Sided profile provides greater surface area and added turbulence when compared to the smooth surface of cylindrical bars. Molded pivot ring reduces friction and chattering. Powerful alnico v magnet to achieve strong vortex.