Gear shape creates a vortex to the bottom of the container and provides more stability and less vibration than single-stir bar shapes.

[Cross Type Stir Bar] Size:37*37*12mm;
Cross shape creates a vortex to the bottom of the container and provides more stability and less vibration than single-stir bar shapes.

[Cylinder Type Stir Bar] L & Dia.: 25mm & 7mm; 35mm & 9mm; 50mm & 9mm; 

Used to stir a liquid or solution in biological, chemical, medical and research laboratory applications.