Agitators are made entirely of PTFE and glass filled PTFE and are for use with 10mm OD stirrer shaft CG-2075-B. Available in 45°, 60° and 90° impeller angles. The 45° and 60° impellers are set up to stir downwards in a clockwise direction and upwards when rotated counter-clockwise. Agitator hub is open so that it can be positioned anywhere along the stirrer shaft and locks onto shaft with a glass filled TFE screw.