Our contractor grade QLT economy notched trowels create an easy way to spread your material for your flooring and tiling projects. These trowels have a 9 x 4 in or 11 x 4-1/2 in steel blade design with a single or double notched style. Of the 9 x 4 in selection, EDI 18640, 15519 and 15518 do not have a 10 deg angle. Either of those options have a variety of notch shapes and notch sizes to choose from. They are made in the USA with global materials.