GrillCraft MX-Series Grilles are made from exclusive steel mesh pattern design along with micro-frame design. All MX-Series grilles are zinc plated then finished with a 3Stage baked on powder coating in either Aluminum Silver (Shines like polished aluminum in sun light) or Gloss Black finish. GrillCraft is committed to ensuring that every MX-Series Grille we produce will exceed your expectations, guaranteed.