This 20mm basalt is an angular product which, when wet, is almost jet black in appearance. As it dries out, the black subsides to a charcoal grey colour.
20mm Ballast
SKU: 194A006
£43.05Price
This 20mm basalt is an angular product which, when wet, is almost jet black in appearance. As it dries out, the black subsides to a charcoal grey colour.