The Helix Paint Mixer can be used to mix most viscous fluids, paints, coatings, stains, wall texture and adhesives. Thepatented, heavy-duty 1-gallon mixer has a 1/4 in. hex shaft to provide a secure connection to most electric drills for easy fluid mixing while the 5-gallon mixer has a 5/16 In. hex shaft. The polypropylene head design insures quick and complete mixing throughout the container and allows for easy cleaning. The helix shape reaches corners and the bottom of the can for full mixing and is the fastest mixer of its kind.