Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (9x25mm, Olive Shape, 10pcs)

Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (9x25mm, Olive Shape, 10pcs)

Magnetic Stirrer Stir Bar PTFE Magnetic Mixer Stir Bars (3X5mm, Cylinder Shape, 20PCS)

Weewooday 16 Pieces PTFE Magnetic Mixer Stirrer Bar, White Color Stainless Steel Laboratory PTFE Stir Plate Bar, Mixing Plate Magnet Stick (30 mm/ 1.18 Inch)