Speckled grey and dark red floor tiles, sold per sqm. Dimensions: 138 mm x 138 mm (+- 1 mm) Thickness: +/- 12 mm 1 sqm = 51 tiles The mortar is completely removed using an acid bath (the tile itself is insensitive to acids). Ready for installation, chip tolerance less than 5 mm. Tiles are a bit dirty but can be easily cleaned with brush and soap after installation. Colour may slightly vary from a tile to another due to fabrication dates.