【Reusable and Easy to Use】The reusable tile leveling system includes 100 tile levelers + special wrench, good choice for fixing on the floor or wall, easy to use a special wrench to fix or disassemble. The T-shaped needle is made of high-quality PP plastic and 403 stainless steel, wear-resistant and reusable. Suitable for tile thicknesses of 5-18mm and tile gaps of 2-8mm. 【Improves Installation Speed】The tile leveler can increase tile installation speed and reduce installer fatigue/stress. The tile leveling system can ensure the flatness between tiles and avoid unevenness. It solves the problem of floor cracking and provides a level floor. 【Save Time & No Movement】 Reduce grinding and polishing time after using these tile levelers. Prevent tiles from moving during the drying process. It is a great tool for floor/wall construction. 【Usage】 1-Place the first tile close to the tile with a distance of more than 2mm. 2-Insert the T-shaped needle along the tile gap. Rotate them 180 degrees.