TBC "JUMBO RED" NEW Heavy Duty Professional Mixer For Epoxy Paint Mud Grout Thin-Set Plaster Cement Topping Dry Wall 5.5" X 24" Unique Configeration of Mixing Basket Larger More Effective than Others Hex Shank Use with Electric Drill 1/2" Or Larger Mixes mud, paint, grout, thin-set, plaster, etc 21 inch