20" Jiffy All Stainless Mixer - $40

http://www.acemart.com/product-view.ep?pID=819697 said:

Jiffy Mixer is an all purpose, heavy duty, extremely efficient industrial/commercial mixer. It is designed to quickly and thoroughly mix dense and viscous substances in an open container. It eliminates waste and unwanted aeration of materials in addition to cutting mixing time up to 90%. It is equally effective with liquids, dry materials, liquid and dry materials combined, or multiple component materials.

Made of polished 304 stainless steel, its construction and design is for mixing, not just stirring. It has two sets of specially welded blades. The vertical ones keep the mixing action between them, the horizontal ones employ an exclusive hydraulic-flow principle that prevents sucking air. In addition, the horizontal blades pull the high density material up from the bottom while forcing the low viscosity solvents down from the top. All stress joints are specially welded for extra strength so it is virtually impossible for them to break. Best used in container sizes from 5 to 10 gallons in size. Use with an electric drill or similar high RPM motor that accepts a 1/2" diameter shaft. 800 RPM recommended maximum.

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