To lay ceramic tile with thinset, adhesive, mortar, you will need to use a notched trowel. Generally the larger and heavier the piece of tile, the larger the notch is needed, to put down more material. Pro Series Cushion Handle Notched Trowels 16" Long Pro Series Cushion Handle Notched Trowels Pro Series Wood Handle Notched Trowels 16" Long Pro Series Wood Handle Notched Trowels Economy Series Notched Trowels Budget Series Notched Trowels Specialty Notched Trowels