【Professional Tile Leveling System】- Tile installation kit - great tool for floor/wall installation, the tile leveling system ensures flatness between tiles and avoids movement when mortar sets, an aid to tile installation. 'convenient installation for all types of tiles, in any format can be absolutely tiled. The use of tile crosses can not only improve the efficiency of gap plastering, but also greatly improve the accuracy of gaps. 【Improved Design】- Cheap tabs sometimes break off at the hinges when pressed with flat nose pliers, but our tile tabs/wedges/crosses are thickened to prevent unnecessary breakage. Our self-leveling tile spacer effectively improves the flatness of tiles after installation, allowing you to apply tiles quickly and easily, saving time and effort. 【Applicable to All Ordinary Tiles】- Compatible with ceramic tiles / porcelain tiles / natural stone / wall tiles, can be used for floor tiles and wall tiles. Our self-leveling wedge tiles accept tile thicknesses between 3 and 16 mm.