Everything you need for a professional-looking, first-class job is included. choose from the fast-acting liquid gun blue kit and the deep, dense paste gun blue kit. Fast-acting liquid gives a non-sticky, uniform blue-black finish.

Everything you need for a professional-looking, first-class job is included. choose from the fast-acting liquid gun blue kit and the deep, dense paste gun blue kit. Fast-acting liquid gives a non-sticky, uniform blue-black finish.