Check the listing for details. Rust-Oleum 247596 Magnetic Primer Gray 30 Oz 2 Pack. Color: Gray, Condition: New. Listed at 82.99 USD. Rust-Oleum 247596 Magnetic Primer Gray 30 Oz 2 Pack Description ABOUT MAGNETIC PRIMER Rust-Oleum® Specialty Magnetic Primer is a base coat that allows you to create a surface that attracts magnets almost anywhere. Can be applied to wood, metal, masonry, drywall, and plaster. Create a fun and unexpected way to hang notes, photos and more. Now the Specialty Magnetic primer is 3x stronger! Indoor use only Top coat with any latex paint or even Chalkboard paint. FOR BEST RESULTS Shake can in an electric shaker in the paint department or stir paint thoroughly for at least 10 minutes, scraping the bottom of the can. Stir to a smooth, lump free consistency and stir regularly during application. Apply at least 3 coats of primer and no more than 2 coats of top coat for maximum attraction. Rare earth magnets adhere best to treated surface. AVALIBLE SIZES Quart