Specification: Material: Polypropylene, 430 stainless steel Quantity: 50 sets/bag, 1 piece Applicable gasket tool: 2mm gasket- 8mm Tile thickness: 5mm-20mm Color orange Use the suggestions: Lay the first tile leaving 2mm of more (use spacers with crosses). Near the tile, insert the T-pin along the gap between the tiles Then turn 180 and the T-pins snap into the bottom of both tiles. Adjust the plug with a special hand/wrench until both tiles are level About 5-6 hours after leveling, before the cement/adhesive is completely dry, twist the cap in the opposite direction and pull the T needle 180 until the word comes out.Features: waterproof and wear-resistant, reusable Easy to DIY Keep tiles balanced at the same level Improve tile installation speed Reduce installer fatigue/stress Virtually no slip, very flat surface Reduces the need for grinding and polishing. Prevents tiles from shifting while curing. Package contains: 50 x layers of plastic tiles