A strong plated steel mixer is ideal for small and medium sized containers. The bottom of the head creates a 4 in square bottom and the 9-1/2 in L head tapers up to for a pyramid where it connects to the shaft. The blade is designed to mix through concrete based materials, thinset, grout and more. The angle of the head allows it to fit into the corners of buckets for thorough mixing and reduced waste. The 23-1/4 in L hex shaft is 1/2 in W. For use in a 1/2 in drill. Proudly made in the USA. Kraft Tool Co. has been an American manufacturer of quality hand tools for the concrete, masonry, asphalt, plaster, drywall, tile, floor covering and leveling trades for over 35 years.