GTI Wall PanelsGTI Wall Panels The GTI Wall Panels are designed to hold your samples for an elegant display. The wall panel is built using baked enamel neutral gray metal with 60% reflection, and is ideal for display of large format images. It uses 4 strong magnets to hold up your artwork, and when used with the GLL 1032e P or GLE 1032P luminaire offers a classy display. The wall panel is attached using adhesive, and has minimum number of holes along the perimeter.