DYKEM® is the ITW Pro Brands industrial marking product line. As the most recognized layout fluid brand in the industry, DYKEM carries a full assortment of markers, layout fluids, staining colors, brushes, and other accessories. Most famous for the Steel Blue® layout fluids, which was introduced in 1920, DYKEM offers perfect water resistant solutions for temporary writing on non-treated or non-painted metal, glass, ceramics, and more.