Manufacturer HRGGN. 2000 base spacers for seamless large floor/wall installations.,【Universal Compatibility: 6×6″ to 24×24″ Tiles】 Works on ceramic, porcelain, marble, and mosaic tiles. Ideal for herringbone and chevron patterns.,【2000-base Pro Tile Leveling System 】 2000 base plates handle complex layouts, ideal for complex patterns like herringbone.