High-quality materials: The adjusting cover is made of high-quality PP plastic, and the T needle is made of steel, which is wear-resistant and reusable. Tile leveling system can keep the tile balance on the same horizontal position, prevent tile displacement during paving, increase the speed of paving, and keep tile joints neat and uniform. Easy to use, Including specialized wrench,can increase the tile installation speed and reduce the need for grinding and polishing, making the tiles flat and perfect in appearance. The package includes 100 pieces tile leveling system 400 pieces tile spacer and 1 pieces special wrench, good choice for floor or wall setting, be easy to fix or remove with pecial wrench. Wide Application :The tile leveling system is suitable for different specifications of tiles and is an ideal choice for living room, bathroom, and office flooring/tile industry projects. It is suitable for tile gaps of 2-6mm and is suitable for tiles with a thickness of 5-16mm., Manufacturer: LEDSone