This sale is for a quart kit of Super Fill High Build 2K Urethane Primer BLACK quart Kit, SS-2790B-Q/SS-2790A-8. The SS-2790B/SS-2790A is a fast dry, easy sanding 2K urethane primer with great fill, and color/gloss holdout. - Easy 4:1 mix - Super High build and fill - Sands great - Great adhesion - Fast dry - True 2K urethane - Excellent value (cost)