Wear-resistant, recyclable. Easy to use in DIY operation. Balance tiles in the same horizontal position. Improve the installation speed of tile. Reduce the fatigue/pressure of installers. There is hardly any crackless, flat surface. It reduces the need for grinding and polishing. Prevent tiles from moving during solidification. Avoid not removing the T-tile leveling system 1. Ceramic tile gaskets are 2mm or more ( gaskets are recommended) 2. When leveling, the cement or tile adhesives around T-type leveller must be cleaned. 3. Remove the T-type straightener about 5-6 hours after leveling before the tile binder or cement is completely dried. Type:Tile Leveling System Use:100pcs Replaceable steel needle Colour: Silver Material: Stainless Steel Size: Steel needle thickness: about 1.5mm, steel needle length: 32mm Package Contents: 100 x Steel Needles Use Tips: Lay the first tile, leaving more than 2mm (with gaskets). Close to tile. Insert T-pins along the slit between tiles. Then rotate 180 degrees and the T-needle is stuck at the bottom of the two tiles. Adjust the lid with a hand/special wrench until the two tiles are on the same level. After leveling, about 5-6 hours, before the cement/binder is completely dry, rotate the lid in reverse and take out the 180 degree T needle until the is removed. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.