What is a good brush for painting enamel?

Im painting a metal cabinet with oil based enamel. I want to have a nice, smooth surface with no brush marks, what would be a good type of brush for doing so? It has to be a bristle type brush, not a foam brush.What is a good brush for painting enamel?
very good pickWhat is a good brush for painting enamel?
It has to be Natural bristle. (normally those are black fibers) If it is multicolored or semitransparent then it is more likely nylon or polyester(fishing line). Not good for oil paints.


I personally like a 2 1/2'; sash brush(angle cut). Not the cheapest you can find either(because they use coarser bristles) Also get some paint thinner....put your paint in a larger container if it is a new can of paint and add about 10% thinner to it and stir it thoroughly with a stir stick(not your brush) Being a little thinner makes the paint flow level like water instead of flowing like molasses in January.
Purdy brushes are great. I know professional painters who swear by them. Oil based paint requires a natural bristle brush, and Purdy makes good ones. The finest are ox bristle, but they are expensive. Most Purdy brushes retail for about $10-$20, with ox being higher. Having said all that, painting metal surfaces is pretty difficult. The best way to handle this surface and get the finish you want would be to spary it. If you choose to do this yourself, use a spray head that can atomize the paint into very fine droplets. Remember, several light coats are better than one heavy coat. If you haven't spray painted before, practice on some scrap or another surface before you tackle the real project. Good luck.
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A china bristle brush or an air gun. You may want to thin it down with a little varsol if you use a brush so that it will sread itself out after it's been brushed.


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Above is the site that will tell you how to do it.
Try a roller and a natural brush for the small areas. A quality enamel spray paint work good also.