The multi-purpose QLT Eggbeater Mixer can be attached to any 1/2 In. or larger variable speed drill to efficiently mix paint, adhesive, mortar, joint compound, and much more. The mixer has a welded all-steel construction that is fully plated to resist corrosion. It has a 7/16 In. steel hex shaft. Mixer Type: Drywall & Paint Mixer Material: Steel Overall Length: 30" Paddle Width: 5" Paddle Depth: 5" Weight: 1.94 lb