Tandur Grey Limestone Cobbles Setts Tumbled 200x100x50 From £48.00/m2Tandur grey limestone cobbles and setts tumbled also known as antique grey limestone are hand dressed and tumbled stones that provide dependable non slip performance. Although the surface has a naturally smooth feel, the stone retains a soft, tactile texture underfoot, making it comfortable to walk on barefoot. This combination of appearance and practicality makes these cobbles an excellent choice for pathways both inside the home and throughout