It has rounded and square corners for maximum flexibility.
The ergonomically designed handle makes it easy to apply grout to wall or floor tile, while its aluminum back plate helps keep your hands cool.If you are working with grout, the QEP 10070 Rubber Grout Float is the tool to have on hand., and a 7 3/4" long wood handle with 1 1/4" diameter. This 12 x 4 in.