feature: Wear resistant and recoverable. same level. Improve tile installation speed. Reduce installer fatigue/stress. Almost no flat, slippery surface for lips. Reduced need for grinding and polishing. Prevent tiles from moving while curing. Material: Polypropylene + Stainless Steel Quantity: 50 sets/bag + 1 tool Applicable joint: 2mm-8mm joint. Tile thickness: 5mm-15mm Use suggestions: 1. Lay the first tile leaving a distance of more than 2 mm (to be used with spacers). Near the tiles. 2. Insert a T-pin along the gap between the tiles. 3. Then rotate 180 degrees and snap the T-pins at the bottom of both tiles. 4. Use a hand/special wrench to adjust the cover until the two tiles are at the same level. 5. About 5-6 hours after leveling, before the cement/adhesive is completely dry, turn the bottle cap to the opposite direction and withdraw the T-shaped needle 180 until the words are removed . Package Included: 50 X Tile Spacers 1 Tool 100 X Tile Leveling Spacers for tiles