TBC Full Size Economy Notched Trowel, 3/16&amp;quot;x 5/32&amp;quot; V-notched Trowel for 4-1/4&amp;quot; Tile, Mosaic, and Walls. Blade Size Is a Full 11&amp;quot;x 4-1/2&amp;quot;. Low Priced, Yet Larger Blades Saves Installation Time.