NEW INSTALLATION SYSTEM: This new self-leveling system simplifies tiling. By using leveling dials (reusable) which allow the height to be equalized, and spacers to ensure a symmetrical joint. Ideal for tilers and essential for DIY enthusiasts. PERFECT LEVELING, without any margin for error, even for tiling beginners QUICK AND ERROR-FREE: This professional quality accessory considerably simplifies the laying of tiles, saving significant time. It is suitable for both novices and professionals, making tile positioning quick and efficient: Perfect alignment of joints and leveling between tiles. THE ESSENTIAL: The tile leveling system works without tools and is suitable for tiles with a thickness of 3 to 19 mm. For perfect results, without extra thickness or height difference between your tiles. ECONOMIC AND PRACTICAL: The spacers can be easily cut after use, by hitting them with a mallet (in the direction of the joint). In addition, the dials are unscrewable and reusable, which avoids repeated expenses.