1 Shot Lettering Enamels are oil based, high gloss enamels for interior and exterior use on metals, wood and glass and have been the benchmark in lettering enamels for over 50 years. Excellent flow characteristics, single stroke coverage and vibrant durability are just a few of the reasons 1 Shot Lettering Enamels remain the favorite of pinstripers and sign painters alike. With their infinite color blendabilty and a full line of reducers and hardeners, it's no wonder 1 Shot Lettering Enamels are used by more sign and graphics professionals, than any other brand. One Shot Striping & Lettering Paints ONE SHOT SIGN & LETTERING PNT.