Large Gritstone Setts ideal for driveways, edging and landscaping. These are priced at £150 per bulk bag ( 1 ton) Dimensions: Length 7″ – 13″ Width 5″ – 7″ Depth 7″. These setts were located from a farmhouse in Leek, Staffordshire Moorlands. Coverage 2.75 square metre per bag. All weights and dimensions are approximate.