TBC Full Size Economy Notched Trowel. 1/4"x 3/16" V-notch for Wall Tile Setting. Blade Size Is a Full 11" X 4-1/2" Low Priced, Yet Larger Blade Saves Installation Time. Tool Bays Full size economy notched trowel 1/4"x 3/16" V-notch for wall tile setting. Blade size is a full 11x 4-1/2" low prices yet larger blade saves installation time