The Marshalltown Premier Line Professional Tile Setter’s Kit provides most of the notch patterns needed for an experienced tile professional making it an ideal kit for laying floor or wile tile. Notched trowels are used to spread adhesive or mastic on the base surface before laying tile, carpet or other floor coverings. The notch style and size help to control depth and amount of adhesive applied. This kit offers 4 notched trowels and a convenient nylon tote bag.