These Tile Leveling System-great tools for floor/wall setting.The system ensures flatness between tiles avoiding movements during the mortar setting. This wall & floor tile leveling system is suitable for ceramic tile thickness of 3mm to 16mm, suitable for ceramic tile with gap 2mm. The Tile Leveling System are reusable, durable, wear-resistant and perfect for DIY operations, it was easy enough to fix or remove with Special wrench. These Tile Leveling System tools are crafted to be easily installed, reducing the need for grinding and polishing.Improve tile installation speed and reduce installer fatigue/stress. Re-usable wedges. save your money. Wrench : 150x32.5mm/5.91x1.28inch ,Tile Leveler : 36.8x85.6mm/1.45x3.37 inch Specification: Material: Silicone Color:as Picture Shown Package Includes: 50 Pieces Tile Leveler 1 Piece Wrench : Please allow slightly difference due to manua l measurement. Color may be slightly different since different monitor. Thanks!