Product details:

SUM-UP220G Paint, 2K High Build Urethane Primer Surfacer, Flat, Gray, 1 Gallon, Each - 2K high-build primer is a 2-component urethane primer surfacer designed for overall repair and refinishing work. It features excellent fill and fast-building qualities. Summit 2K urethane primer is super-easy to sand (wet or dry) and cures quickly with no waxy skin to break through, while providing excellent topcoat color holdout.