Self-Leveling Spacers for Joints Over 2mm and Tiles 3-16mm Thick, 67mm Length, Pack of 50 Tile Laying Aids, Reusable, Spacers and Pulls, ;[Premium 50 tile leveling system for perfectly joined patterns] In addition to this handy set, you will also need a level and a tile cross to lay the tiles. ;[Once all the tiles have been laid in the bathroom, kitchen, etc. and the tile adhesive has dried, the leveling pencil can be loosened using the spanner supplied. ;[For joints from 2mm - replaces any other leveling system ] No matter what type of tool you have, these tiling aids are easy to install. ;[For tile thicknesses 3-16mm] No matter what type of tiles you want to lay, this tile leveling system will allow you to achieve the perfect look. ;[Comes with 50 tile leveling screws with heads, 1 interior tile wrench and exterior.