Leviathan Industrial Marking Crayons

Leviathan Industrial Marking crayons have been specially formulated to write on most wet and dry substrates. Applications include: Rubber, Steel, Glass, Stone, Concrete, Leather, Plastic, Polystyrene and all Timbers. From underwater, marking tiles to be removed in a pool to out on the deep sea marking prawn filled plastic tubs this marker is as versatile as they come.