DuraBlue(TM) Spray-On Bluing - The New Standard in Bluing - This revolutionary new coating is brought to you by the makers of DuraCoatA(R), the finest firearm finish on the planet. Never worry about rust again! This coating provides a deep, glossy finish reminiscent of traditional bluing but without the worry of rust, scratches, or the cost! Comes in a convenient aerosol can or liquid form for application with spray equipment. Can be applied to any type of metal including aluminum and stainless. Use DuraFil(TM) Surface Filler first to fill in any scratches or pitting. Now you can refinish that rust bucket or sentimental piece without the high cost. No more caustic chemicals! Mfg: Lauer Custom Weaponry