The 3mm (1/8in) Tile Spacers help you install floor or wall tiles with professional-looking results. The spacers ensure that grout lines are the same width and that the tiles line up at the corners. The flexible PVC construction makes it easy to place and adjust the spacers. Easily removed when finished. For aligning marble; granite; porcelain and large format tile. For both horizontal and vertical tile installations. Easy way to achieve a more professional tiling finish. Allows for a 3mm (1/8in) grout line. Tile spacers work with all types of tile. Traditional shape.