I have always used Painter's Touch, but I read in an old thread that Stops Rust is better.
Professional High Performance Enamel
<img src="https://www.rustoleum.com/cbgimages/products/PRHpsAlmSpL.jpg" />
Painter's Touch (enamel)
<img src="https://www.rustoleum.com/cbgimages/products/PT_GLS_DPBLU_SP_L.JPG" />
Stops Rust Protective Enamel
<img src="https://www.rustoleum.com/cbgimages/products/SRPEHrbrBluSP_L.jpg" />
Professional High Performance Enamel
<img src="https://www.rustoleum.com/cbgimages/products/PRHpsAlmSpL.jpg" />
Painter's Touch (enamel)
<img src="https://www.rustoleum.com/cbgimages/products/PT_GLS_DPBLU_SP_L.JPG" />
Stops Rust Protective Enamel
<img src="https://www.rustoleum.com/cbgimages/products/SRPEHrbrBluSP_L.jpg" />