Newly designed Porta-Trace light boxes virtually eliminate hot spots providing uniform light distribution over the entire viewing area. Sturdy stainless steel frame boxes are only 3 in. thick. The ¼ in. thick plexiglass top is mounted flush for uninhibited use of a straightedge. U.L. listed cord and on/off switch.

Item #’s XPT1618-3, XPT1824-3 and XPT2436-6 includes a carrying handle.