AV Stumpfl wing screws supplied as a set for assembling or securing two AT64 Monoblox 64 and MonoClip 64 systems. The product is a frame or system component rather than a projection screen or surface and has no video signal inputs or outputs. The set has a gross and net weight of 0.64 kg and is identified by manufacturer article number BFZ-F/S/BXV/AT64/2. Country of origin is Germany.