Magnetic stir bar retrieers are coated with PTFE coering, which is chemically inert.Corrosion resistance, for most chemicals and solents that show, inert, resistant to acid and alkali, water and arious organic solents.Perfect for chemistry and biology research, home-laboratory use, home brewers to make a yeast starter, or tinctures sales.It can effectiely helps you easily pick up your stir bars from the bottom of containers.The product is widely used in the , scientific research and experiments etc.Are you looking for a professional, yet affordable magnetic stir bar retrieer ? Are you in search of a sturdy, trustworthy magnetic stirrer bar that can do multiple jobs ? If yes, look no further! Our professional magnetic stir bar retrieer must meet you needs. It is one of the best choices for you.Colour:WhiteMaterial:PTFEPackage Contents:1 x magnetic retrieerOnly the aboe package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.