5 Steps Block-5/10/15/20/25mm-304#Stainless Steel - Non-destructive It should be replaced when the appearance of the magnetic stirrer is obviously worn, or the magnetic force has faded seriously Buy 3 Inch Jumbo Plastic Easter Eggs 30 Pack - Premium Colorful Fillable Empty Easter Eggs Bulks for Easter Basket Fillers Egg Hunt, Classroom Prize Supplies, Filling Treats and Party Favor on Shop. Discover great prices on Party Gifts and get free shipping on eligible items Magnetic Rod MECCANIXITY Magnetic Stirrer Mixer Stir Bar Rod 5/10/15/20/25mm Magnetic Stir Bar The magnetic stir bar is in size of: Total length: 5mm / 0.2 inch, 10mm / 0.39 inch, 15mm / 0.59 inch, 20mm / 0.79 inch, 25mm / 0.98 inch; Diameter(Approx): 3mm / 0.12 inch, 4mm / 0.16 inch, 6mm / 0.24 inch, 7mm / 0.28 inch, 8mm / 0.31 inch; In the package of: 5 x Magnetic stir bar 5 Steps Block-5/10/15/20/25mm-304#Stainless Steel - Non-destructive... Keep away from iron and other magnetic materials, so as not to affect the magnetic properties of the magnetic stirrer. Magnetic Stirrer Mixer Stir Bar Rod Magnetic stir bars are used to stir liquids or solutions in the biology and chemistry field, research laboratory applications, etc. Smooth surface, reduces friction and improves smooth rotation, easy to clean. The magnetic stir bar is reusable, please wash and dry it after use for next time use. Smooth surface, reduce friction and improves smooth rotation, easy to clean. The magnetic stir bar is made from magnet with PTFE coating, the coating is corrosion resistant and has good resistance to high temperatures (temperature tolerance range:-180 ℃~250 ℃) Magnetic stir bars are used to stir liquids or solutions in the biology and chemistry field, research laboratory applications, etc.