Dimensions (L x Ø): 25 x 6 mm Cylindrical magnetic stir bars provide outstanding centering and consistent mixing. The integrated pivot ring reduces vibrations and wear during the stirring process. The PTFE coating is chemically inert and resistant to aggressive chemicals For use in containers with uneven or curved bottoms. The pivote ring maintains the optimum stirring position. Dimensions (L x Ø): 25 x 6 mm Cylindrical magnetic stir bars provide outstanding centering and consistent mixing. The integrated pivot ring reduces vibrations and wear during the stirring process. The PTFE coating is chemically inert and resistant to aggressive chemicals For use in containers with uneven or curved bottoms. The pivote ring maintains the optimum stirring position.