Birchwood Casey

SUPER BLUE* LIQUID GUN BLUE 13425 R2 3 FL OZ PLASTIC BOTTLE **A DOUBLE-STRENGTH SOLUTION DESIGNED FOR BLUEING HIGHLY POLISHED STEEL PARTS CONTAINING NICKEL & CHROME ALLOYS (EXCEPT STAINLESS). **GIVES THE BLACKEST BLUE COLOR. **USE CAUTION TO CONFINE THE SOLUTION TO THE AREA TO BE REBLUED AT IT WILL HAVE AN EFFECT ON THE EXISTING BLUE.