These half round steel gutters are the choice when you want to have them painted. "Paint Grip Steel" is galvanized steel that is processed through a phosphate bath. The process is designed to create a corrosion inhibiting surface that promotes the adhesion of a coating. The coating acts as a perfect primer so you're gutters will immediately be ready for paint. And the paint grip steel will actually increase the life expectancy of the paint.
Half round paint grip steel gutters are available in 5" and 6" profiles in both 10 ft and 20 ft. sections.