Marshalltown Quick-Mix Mixers are ideal for stirring and blending paint, drywall mud and concrete products. The Quick-Mix Mixers work with all 7/16” or larger and a limited number of 3/8” slow speed drills. The blade is securely welded to a 3/8” hex shaft, with the blade measuring 8 ½ x 4 ½”. 28" lengthUsed for stirring paint, drywall mud and acoustic3/8" Hex shaft, 28" longIdeal for stirring and blending paint, drywall mud, and acoustic quickly and lump freeFits any 3/8" or larger slow speed drill-500 rpmBlade measures 8-1/2" x 4-1/2"