1. PROFESSIONAL TILE LEVELING SYSTEM The tile leveling system is an tool for floor and wall installations. Floor leveling spacers ensure tiles remain evenly aligned, preventing movement during grout setting. The package includes 100pcs tile leveling spacers and 100pcs replacement steel pins. 2. Upgrade Easy to Use This innovative system requires no additional tools. Simply insert the steel Tpin into the tile gap, rotate it 90 degrees, press the black hand cover to level the tiles, wait 46 hours, and remove it before the cement dries for leveled tiles. 3. Durable Reusable Our tile leveling spacer set is crafted from quality plastic, while the steel Tpins are made of stainless steel, significantly reducing the risk of breakage. 4. Adjustable Wide Application The floor leveling system features a simple presson handle design with multiple adjustment points for realtime, precise leveling. Suitable for ceramic tiles with a thickness of 812mm, it is recommended to use with tile spacers (not included) and apply to multiple gaps per tile for results.