【Premium Quality & Resistant】 Made from semi-crystalline thermoplastic with high impact resistance, and the steel part is made from stainless steel with a thickness of 1.5 mm, allowing you to use them with 1.5 mm up to 2.5 mm plastic spacers. 【Reusable & Durable】 Save a lot of money by using them again and again; after the tiles are set, simply twist the screws anticlockwise and remove the main anchor, you may need to hammer it gently. 【Simple & Easy to Use】 Unlike the normal leveling wedges and pliers, this new system doesn't require any tools unless you need to tighten very hard, and the special wrench is included. It is easy enough to fix or remove with the wrench to improve tile installation speed. 【Improve work efficiency】 The tile leveling system are great tools for floor and wall setting. The system ensures flatness between tiles avoiding inequalities, improve tile installation speed and reduce installer fatigue/stress. 【Wide Application】 The updated tile leveling system as the T-needles are changeable, 50 T-pins are sufficient enough to replace for a long time. Suitable for 3 mm to 16 mm thickness of the tile, but can be used with tiles up to 18 mm thickness., Manufacturer: Goysen