XZBELEC Stirring shaft with propeller ideal for very low/ medium viscosity range at a medium/high speed range. For Overhead Stirrers ES, LS, DLS, LH, DLH, PW. It's a standard stirring shaft generating an axial flow in the container with suction of the substance from the bottom towards the top. All XZBELEC stirring shafts are made of Stainless steal. When choosing the correct stirring shaft its important to consider the Lab stirrer power, the viscosity of the substance and its volume.