... , sandstone, limestone, travertine, basalt, onyx, prophyry and so on. Most of them used of indoor and outdoor for slab, tile, flooring tile ... /8"), 457 x 457 x 12mm (18" x 18" x 1/2"), 400 x 400 x 12mm (16" x 16" x ... "), 300 x 600 x 12mm (12" x 24" x 1/2"), 400 x 400 x 20mm (16" x 16" x ... , bush-hammered, sandblasted, antique, etc Light Grey granite,600x600 300x600,1.5CM.1.8CM and Stairs