Black Limestone Cobble Setts 200x100x50 From £42.59/m2Black limestone cobble setts 200 x 100 x 50 bring a classic hand cut appearance that has long been valued across traditional British paving. The lightly textured face offers dependable slip resistance, whilst remaining smooth enough underfoot for comfortable walking in gardens and courtyards. In the practical size of 200 x 100 x 50 mm, these robust and hard wearing limestone blocks are well suited for driveways, garden paths, edging lines and boundary