Birchwood Casey Perma Blue Paste Tube (2-Ounce) The proven way for touching up or completely reblueing most guns. - See more at: https://www.birchwoodcasey.com/Refinishing/Metal-Finishing/Perma-Blue%C2%AE-Liquid-Paste-Gun-Blue.aspx#sthash.yvVijNkw.dpuf The fast-acting paste gives a non-streaky, uniform blue-black finish. - See more at: https://www.birchwoodcasey.com/Refinishing/Metal-Finishing/Perma-Blue%C2%AE-Liquid-Paste-Gun-Blue.aspx#sthash.yvVijNkw.dpuf Perfect addition to any gun maintenance kit Perma Gun 2oz net wt Squeeze Tube (Paste)