AV Stumpfl Inline-Crank Strato projection screen with a 1:1 aspect ratio and an overall size of 250 × 250 cm. The screen uses a matt-white STRATO coated non-woven glass-fiber projection surface with a gain of 1.0. It is supplied as a complete roll-up screen system with frame and stand, a white RAL9016 powder-coated extruded-aluminium casing, and manual crank operation. The casing measures 12.5 × 12 cm, and the net product weight is 24.5 kg.