Brunoplast Nivifix tile leveling system Starter Set black for tile thickness 3-12 mm / 0.12-0.47 inch (Paving System, Tile Laying, Tile Installation) 50 pieces of re-usable black draw caps for tile thickness 3-12 mm / 0.12-0.47 inch Bag = 250 pcs. of straight spacers for joint width 1.7 mm / 0.07 inch Perfect alignment through the tile leveling system Suitable for Brunoplast Nivifix tile leveling system Intuitional handling without additional tools