The Devcon Express Dykem Steel Blue Layout Fluid is a professional-grade marking solution designed for precision layout work and surface marking applications.Devcon Express Dykem Steel Blue Layout FluidSteel blue color for high visibility contrastProfessional layout and marking fluidSKU: 253-80300 UPC: 753769803008Suitable for metalworking and fabrication projectsIdeal for machinists fabricators and engineers who require accurate marking and layout capabilities on metal surfaces and other materials.