This portable projection screen combines simplicity of design, rugged components, and careful workmanship. Exclusive Bell Leg Lock protects the sturdy gabled aluminum legs during storage and transportation. Eliminates all risk of bent or broken legs. Releases easily for setup. One-hand case adjustment makes the Diplomat a pleasure to use. Suspension slat saddle in all sizes maintains a flat viewing surface. Built-in keystone eliminator extends 18". Hidden when not in use.