Grillcraft GMC2023SW SW Series Polished Stainless Steel Upper 1pc Woven Mesh Grill Grille Insert for GMC Sierra GrillCraft SW-Series Grilles are made from an exclusive steel mesh pattern design along with a micro-frame design. All SW-Series grilles are zinc plated then finished with a 3Stage baked on powder coating. GrillCraft is committed to ensuring that every SW-Series Grille they produce will exceed your expectations, guaranteed. Limited Lifetime Warranty