[50 x PREMIUM TILE LEVELING SYSTEM FOR A PERFECT JOINT PATTERN] In addition to this handy set, you will need a spirit level and tiling crosses to lay the tiles. [100% REUSABLE SET] Once all the tiles have been laid in the bathroom, kitchen, etc. and the tile adhesive has dried, the leveling pencils can be loosened using the wrench provided. [FOR JOINTS FROM 1.5 mm - REPLACES ANY OTHER LEVELING SYSTEM ] Whatever type of tool you have, these tiling aids are easily integrated. [FOR TILE THICKNESSES FROM 3 TO 15 mm] Whatever the format of tile you want to lay, this tile leveling system guarantees a perfect appearance of the tiles. [DELIVERY INCLUDED] 50 tile leveling screws with heads, 1 wrench, for laying tiles tiles inside and out. Welcometomeet