Which Rust-Oleum primer should I get? They both work on metal

Rust-Inhibiting Metal Primers & How They Work

Stops Rust Clean Metal Primer

Rust-Oleum 330505 Spray Paint, Flat, Farmhouse Black, 12 Ounce, Can: Rust- Oleum Universal Paint & Primer (020066380397-1)

Rust-Oleum 7569838 Primer, Red, Flat, 15 oz PROFESSIONAL enamel sprays provide a durable protective coating with superior rust prevention and excellent resistance to abrasion, fading, chipping and dulling. It applies easily, provides excellent coverage and dries fast to a tough attractive finish. PROFESSIONAL enamel is ideal for ferrous, non-ferrous metal and wood surfaces. It features a high output tip which can be sprayed at any angle. Not for use on galvanized metal.

Rust-Oleum Professional 15 oz. Flat Red Primer Spray

RUST-OLEUM CLEAN METAL FLAT PRIMER SPRAY PAINT W/RUST PROTECTION 15OZ - The Bazaar Inc

Rustoleum 2X Ultra Cover Spray Paint - Colors - Aboff's

Rusty Metal Primer with Turbo Spray System®

Rust-Oleum Stops Rust® Clean Metal Primer Spray Paint - White, 12 oz - Fred Meyer

Rust-Oleum 1 qt. Gray Specialty Farm & Implement Paint Primer, Flat at Tractor Supply Co.

Rust-Oleum Painter's Touch 2X Ultra Cover 12 Oz. Satin Paint + Primer Spray Paint, Colonial Red - Gillman Home Center