Tile Leveling System, Good DIY Tool for Wall Floor Construction. Features: - Reusable wedges. - Prevent tiles from moving during curing. - Reduces the need for sanding and polishing. - Sensitivity between tiles and avoids unevenness. - Improve tile installation speed and reduce tiler fatigue/stress. Specification: Name: Tile Leveling System Color: Orange + Black - Material: PP + 430 stainless steel Packing Quantity: 100 pcs - Weight: 1100g Instructions: 1) Place the first piece of ceramic with a joint thickness of at least 2mm. and close to the second ceramic; 2) Insert the T-pin along the crack, then rotate it 90 degrees, tighten the T-pin at the bottom of the two ceramics, and tighten the adjustment cover so that the two ceramics are at the same height. 3) Before the tile cement or adhesive has completely dried (usually no more than 6 hours), pull the adjustment cover in the opposite direction and turn the T-spindle 90 degrees so that the T-spindle turns into a zigzag parallel to the tile and remove the straightening machine; 4) Keep clean and dry for reuse. Package includes: 100 pieces of levelers 2 wrenches