Description: PTFE Stirrer Mixer shaft with foldable paddles, stirring rods for science lab experiment equipment. Stiring rods - coated in white PTFE，anti-corrosion, acid & alkali resistance, high temperature resistance. PTFE casing is chemically inert, can be used with corrosive chemicals, and helps reduce friction and wear while spinning. For Electric Stirrer to stir a liquid or solution in biological, chemical, research laboratory applications. Non-toxic materials, convenient to use. Material：Stainless steel covered by PTFE（Polytetrafluoroethylene） Shaft Length: approx 250 mm Paddles Diameter (fully extended): approx 65 mm Shaft Diameter: 7 mm Color ：White Specification: Note: When stirring, adjust the position and place it in the center of the flask, so as not to damage the flask at high speed. Package Includes: 1 piece PTFE Stirrer Shaft Stirring Rod Note: Due to manual measurement, there may be 1-2cm error in size Due to the difference between different monitors, the picture may not reflect the actual color of the item