Includes---100 pieces of reusable leveling. Reusable corners---Made of environmentally friendly materials, durable and pressure-resistant 100-piece corners can be reused.Function-- - Helps hold tiles at an even height until mortar sets. Note --- You can determine the number of wedge clips and leveler spacers based on the number of tiles (1 tile requires 4 wedges and 4 spacers) .Tile Leveling System---Great tools for laying floor or wall. The system ensures flatness between the tiles avoiding movements during the setting of the mortar. Reusable Wedges Made from environmentally friendly materials, 100-piece durable, pressure-resistant wedges can be reused and help hold tiles at an even height until mortar sets. You can determine the number of wedge clips and leveler spacers depending on the number of tiles (1 tile requires 4 corners and 4 spacers). Introduction to step 1. Place the clips spacer under the tile. 2. Strike with a hammer or level ruler. 3. Push with a tile nipper. 4. A tile with four sets of wedges. 5. Twisted or thrown after 24 hours. 6. Spacer clips are disposable and wedge can be reused. Package Including 100 x Wedges (Red)