Will effectively mix in any container upto a 30-gallon drum. Chucks into low speed (500 rpm or less) 1/2" drill. Blades are designed to fold, lift and stir drywall mud, acoustic and pre-mix quickly, thoroughly, lump free.
Cast aluminum paddle.
Swift Mud Mixer Blade:   8-1/2" wide x 4-1/2" tall
Shaft:   7/16" x 30"