For use with 5 mm-6 mm O.D. shaft. Use to stir 50 ml to 250 ml capacity flasks.

For use with 10 mm O.D. shaft. Blade is made of 1/8" solid PTFE. For use with button style shafts.

For use with 10 mm O.D. shaft. Blade is made of 1/8" PTFE and is shaped to fit round bottom flask.

For use with 19 mm O.D. shaft. For use with heavy duty button style shafts.