Edward Tools Paint and Mud Mixer is the best and easiest solution for mixing paint, mud, grout, epoxy, thinset and plaster. The high grade steel drill bit mixer attachment is zinc coated for a rust proof finish and extra strength. The ribbon mud mixer blade design allows for quicker mixing. Hexagonal shaft for positive engagement attaches easily to all standard drills sizes and prevents slipping. Edward Tools Mux mixer drill attachment comes with a lifetime warranty.