Jak Black Slate Stone: We are manufacturer of Jak Black Slate Tiles in various sizes. It is a hard slate which is famous for its durability and strength. The Indian Jak Black Slate can be used for applications like Paving, Patios, Wall Cladding in various forms like Tiles, Ledgestones, Strips. We supply Jak Black slate stone in following specifications: Available Sizes : 30x30cm, 30x60 cm, 40x40cm, 40x60cm & 60x60cm Thickness : 10-20mm/ 12mm Calibrated/ 15mm Calibrated Finish : Natural Split both sides/ Top Natural & Bottom Calibrated Machine cut edges We welcome your inquiry in other sizes & thickness.