.5 in. Round Metal Shaft DrillMetal pole, plastic headUse a variable speed drill between 500 and 1500 rpmBegin mixing at the bottomUse mixer in well-ventilated areasDo not use lacquers or other flammable liquidsBe safe, wear safety glassesTo clean mixer, operate mixer in container of waterCapacity - 1 gallon.Warner Hand Tools 10330 1 Gallon; Plastic Paint Mixer 9.