Rubi Cyclone Tile Leveling System 1/8" (3MM) Flat Bases Rubi's new leveling system is designed to avoid lippage during the laying of ceramic tile in both floor and wall tiles. Features Available in 100, 300 and 2400 quantities Recommended for tiles 12" x 12" and larger Especially recommended to improve finishes when working with large-format tiles Easy, fast, and intuitive to use as no prior user experience is necessary No tools required - spin the screw cap into place and hand tighten Spacer bases fit below tiles, and then the cap is screwed on Guaranteed flatness and regularity of the laying surface Side grooves at the strap´s base facilitate the transfer of the adhesive, improving the coverage on the ceramic tile Built in spacers Each clip thickness is easily identified thanks to the range of different colors available (1/8" is a red clip) Recommended for tiles thickness from 3 - 18 mm (1/8" -