Osborn 76214 Layout Fluid Aerosol, Blue Blue layout fluid aerosol Provides a smooth, fast-drying coat for tool and die makers and production layout work Adheres to all kinds of metal Noncorrosive, non-flaking and heat-resistant Use for "high-spot" indicator on gears and shafts, tool room and production layouts, aligning gears and worm drives, locating mechanical seals on pumps and grinding lenses