The polygonal shape provides increased turbulence. The added pivot ring enables the stir bar to adopt the optimum position for a smoother stirring action with reduced friction. Can be used in vessels with a curved or uneven base.

• Virgin grade PTFE conforming to FDA and USP Class VI.
• Alnico V magnetic core.
• Chemical Resistance is virtually total.
• Temperature Range, -200°C to 260°C (-328°F to 500°F).
• Shelf life is considered indefinite within the confines of normal use and storage conditions.
• Autoclavable.