Tile screed set is suitable for 8 - 12mm tile thickness, precise 2mm seam (1.5mm needle width) Tile leveling spacers are made of high quality plastic and the t-pins are made of stainless steel, wear-resistant and reusable, which greatly reduces the risk of breakage. Comes with 50 pieces ceramic tile leveler kit and 100 pieces of replaceable t-pins, durable and reusable, it can be easily fixed or removed by special wrench. Greatly improves work efficiency, increases tile installation speed and reduces installer fatigue/stress. Tile leveling system is suitable for floor/wall tiles. This system ensures that the tiles are on the same level to avoid movement during the solidification of the mortar.