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

Rust-Oleum Stops Rust Clean Metal Primer Spray provides a sound base for application of Stops Rust enamels on light rusted, bare metal or previously painted surfaces. It features any-angle technology that allows to spray hard-to reach areas, even upside down and a comfort tip with a wider finger pad to reduce fatigue caused by continuous spraying. Stops Rust Protective Primers provide added protection and a more uniform finish.

Rust-Oleum 12 oz. White Clean Metal Spray Primer

Stops Rust Clean Metal Primer

Primer spray paint is designed to protect heavily rusted surfaces Oil based paint with Stops Rust formula provides rust resistant base coat for cars,

Rust-Oleum 249330 Automotive Rusty Metal Primer Spray Paint, 12 oz., Brown

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

Rust-Oleum 12 Oz. Red Oxide Metal Primer Farm & Implement Spray Paint - Hall's Hardware and Lumber

The Rust-Oleum Stops Rust 12 oz. Clean Metal Spray Primer is designed for use on lightly rusted metals and works great on bare and previously painted

12 oz. Flat White Clean Metal Primer Spray

Rust-Oleum 7769402 Primer, Flat, Flat Rusty Metal Primer

Rust-Oleum Professional High Performance Metal Primer, White, 1 Gal. - Wagner Hardware

Rustoleum Acrylic Metal Primer

Rust-Oleum 4200 Heat Resistant Primer

Rust-Oleum Universal Metallic Paint & Primer in One Spray Paint - 330480, 11 ounce, Turquoise