Description The magnetic stirrer is constructed with a magnet assembled inside and coated with PTFE, providing resistance to corrosion and abrasion. It is durable and chemically inert. Designed to easily reach the bottom of deep containers or flasks for convenient retrieval. A perfect accessory for magnetic stirrers, ideal for chemistry and biology research, as well as home-lab use. Features - Color: White - Material: PTFE - Size: Approximately 3.00 x 0.80 x 0.80 cm / 1.18 x 0.31 x 0.31 inch (including the middle part) - Width (excluding the middle part): Approximately 0.691 cm / 0.27 inch - Used for stirring liquids or solutions in biological, chemical, and research laboratory applications - The stir bar is placed inside a container of liquid or solution that is seated on a magnetic stirrer, creating a rotating magnetic field using a rotating magnet or multiple stationary electromagnets - Stir bars are coated with PTFE, which is chemically inert - Suitable for use with corrosive chemicals and helps reduce friction and wear during operation - Different shapes create various vortexes for efficient and effective stirring Packing List 5 x Magnetic Stirrers