It will give a non-streaky, even blue-black finish to steel (except stainless). Perma Blue Paste Gun Blue is slower to darken than Liquid Gun Blue, but will build up a denser finish. 13701 - PERMA BLUE® GUN BLUE PASTE KIT INCLUDES: 2 OZ PERMA BLUE® PASTE GUN BLUE, 3 OZ CLEANER-DEGREASER, 3 OZ BLUE & RUST REMOVER, BLUEING APPLICATORS, SPONGE, SERVICE CLOTH, BARRICADE® RUST PROTECTION GUN WIPES.
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