Octagonal magnetic stirring sticks with centre ring. High swirling thanks to the angular surface. The centre ring ensures optimal balance when turning. First-class design with strong magnetic core. Individually wrapped. Technical data: material: polytetrafluoroethylene (PTFE Teflon), length 64 mm, colour: white, shape octagonal with middle ring, diameter 8 mm, type magnetic stirrer rods non-cylindrical shapes, length, 64 mm, DM, 8 mm