Keep your firearm looking brand new with the Birchwood Casey PRESTO GUN Blue Touch-Up Pen BC-13201. This precision pen effortlessly repairs nicks and scratches on blued surfaces, delivering a durable blue-black finish that resists rubbing and wear. No heat is required, and typically just one coat achieves a seamless, long-lasting result. Perfect for gun enthusiasts and firearm owners, this touch-up pen ensures your gun maintains its pristine appearance with ease. Discover the simple, effective way to enhance and protect your firearm’s look today!Penetrates hard steel instantly and gives a durable blue-black finish that wont rub off Used to touch-up nicks and scratches on blued surfaces No heat required Reacts quickly with usually one coat needed