Package included:50PCS Level Wedges Tile Spacers1PC Wrench Specifications:Material: High quality PP + steelScope of application: MasonryApplicable Brick Gap: 1.5-6mm/0.08-0.24"Applicable Tile Thickness: 3-16mm/0.12-0.63"Size: 77*36*20mm/3*1.4*0.78" Features:1.Wear-resistant, recyclable.2.Easy to use in DIY operation.3.Balance tiles in the same horizontal position.4.Improve the installation speed of tile.5.Reduce the fatigue/pressure of installers.6.There is hardly any crackless, flat surface.7.It reduces the need for grinding and polishing.8.Prevent tiles from moving during solidification. Use Tips:1.Lay the first tile, leaving more than 2mm (with cross gaskets). Close to tile.2.Insert T-pins along the gap between tiles.3.Then rotate 180 degrees and the T-needle is stuck at the bottom of the two tiles.4.Adjust the lid with a hand/special wrench until the two tiles are on the same level.5.After leveling for about 5-6 hours, before the cement/adhesive is completely dried, rotate the lid in reverse and take out the 180 degree T needle until the word is removed.