Optex Superbuild 4:1 3.78l

Optex Super Build 4:1 Polyester Primer Surfacer - Gallon Optex Super Build 4:1 Primer highlights dents, low spots, scratches, and other surface imperfections while at the same time eliminating the need for messy carbon black powdered guide coats. This 4:1 primer sprays on pink and turns gray as it is sanded, revealing high spots while low spots and scratches remain pink.