Description: 【Compatibility】: Specifically designed to fit with 7mm rod diameter stirring paddle, this PTFE stopper ensures a match with mix agitator stirring rod for efficient mixing 【Material】: Made from PTFE, this stir rods stopper offers chemical resistance and can withstand high temperatures, making it ideal for heavy duty use 【Easy to Clean】: Featuring a non-stick and smooth design, this Stirring Rods Stirring Rods Plug is easy to clean and safe for various lab applications 【Enhanced Performance】: The high lubricity of the stopper promotes smooth stirring by reducing friction during the mixing process 【Versatile Sizing Options】: Available in multiple sizes including 14#, 19#, 24#, and 29#, this mixer stir bar plug caters to diverse lab needs, ensuring you have the right fit for your equipment Specification: Material: Stirring Rods Size Chart: All Suit for Plug diameter: 0.7cm/0.28inch 14#: Height 3.7cm/1.46inch, Upper bottom diameter 1.5cm/0.59inch, Lower diameter 1.25cm/0.49inch, Hole diameter 0.73cm/0.29inch 19#: Height 4.6cm/1.81inch, Upper bottom diameter 2cm/0.79inch, Lower diameter 1.6cm/0.63inch, Hole diameter 0.8cm/0.31inch 24#: Height 4.7cm/1.85inch, Upper bottom diameter 2.5cm/0.98inch, Lower diameter 2.1cm/0.83inch, Hole diameter 0.8cm/0.31inch 29#: Height 4.8cm/1.89inch, Upper bottom diameter 3cm/1.18inch, Lower diameter 2.7cm/1.06inch, Hole diameter 0.8cm/0.31inch Package Includes: 1 Stirring Rod Plug Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.