This 1/2" x 1/2" x 1/2" Square Notch Economy Trowel is designed for thinset or medium bed mortar application for natural stone, quarry tile, Saltillo and large format ceramic and porcelain tiles 12" x 12 " or larger. The full, cold-rolled steel blade, high impact black plastic handle and 9 " x 4 " size make this trowel comfortable and easy to use. Complies with ANSI specifications for tile installations. This tool is designed for the Do-It-Yourself installer with a small, one-time installation job. Made in the USA, it offers best value, performance, and durability.