Sarana Tile lists North Black as a 12" x 23.6" porcelain tile. In a home it suits kitchens, entry foyers and open-plan living areas. It also carries commercial use in retail floors, restaurant dining rooms and hotel lobbies. The nominal size is 12" x 23.6", listed metrically as 30x60cm. It is supplied in boxes of 8 pieces covering 15.5 sq ft, a box weight of 59.5 lbs and 40 boxes to a pallet, 620 sq ft in total. Sarana catalogues it in Volume 8 on page 141. Sarana prices it by the square foot.