Rust-Oleum 254863 Automotive Filler Primer Brush On, Quart, Gray 32 Fl Oz (Pack of 1)

Rust-Oleum Filler Primer is a high-build formula that fills in minor imperfections in the surface and improves top coat adhesion and appearance. Made to resist rust and corrosion with Rust-Oleum Stops Rust Technology.
Ideal for use on metal, wood and fiberglass surfaces
Stops Rust oil based formula protects surfaces from rust/corrosion and improves topcoat adhesion
Dries to the touch in 10-15 minutes and covers between 40-50 sq. ft. per quart
Fills in minor scratches and surface nicks to leave a smooth, paintable surface
Do not use of surfaces that will come into direct contact with heat or temperatures exceeding 350°F