AV Stumpfl Monoblox64 black mobile projection screen system for front projection. The complete set includes a 64 × 32 mm aluminium frame with snap joints, two horizontal and two vertical frame modules, one pair of AT32/64 legs, and a front projection surface with a 10 cm reinforced border and snap fasteners. The overall screen size is 508 × 226 cm, with a 488 × 206 cm net projection area, 21:9 aspect ratio, and R10 surface gain code.