Flat Ceramic Floor Wall Construction Tools Reusable Tile Leveling System Kit Easy to use for DIY operation. Keep the tile on the same horizontal position. Improve tile installation speed. Reduce installer fatigue/stress. Virtually lippage free, flat surface drastically. Reduces the need for grinding and polishing. Prevents tiles from moving while curing. Using Tips: Paving the first tile, leave more than 2mm (use with spacer). Close to the tiles. Insert T-shaped needle along the in the tile. Then 180 degree rotation,T-shaped needle stuck at the bottom of the two tiles. Adjust the caps with your hand/special wrench until the two tiles are on the same level. About 5-6 hours leveling, Before cement/adhesive is completely dry, rotate caps in the reverse direction, 180 T-needle until the, take out. Specification: Material: PP+Stainlss Steel Quantity: 50 Sets/Bag 1Pcs Tool Suitable Spacer: 2mm-8mm Spacer Tile thickness: 5mm-20mm Package including 50 x Reusable Tile Leveling System 1 X wrench