BIRCHWOOD CASEY SUPER BLUE LIQUID GUN BLUE 3oz
An extra strength, concentrated blueing solution for touch-ups as well as complete reblueing. Designed for blueing polished parts and for hardened steels that contain nickel and chrome alloys. Birchwood Casey SUPER BLUE Liquid Gun Blue is the darkest or blackest blue and penetrates the hardest steel instantly. Apply with swab to a clean, rust-free surface. Protect and enhance the new finish with Birchwood Casey BARRICADE Rust Prevention.
NOTE: SUPER BLUE Liquid Gun Blue will not blue stainless steel, aluminium or non-ferrous metals.