The AV Stumpfl wing screws are a frame-system accessory supplied as one set for securing one AT64 Monoblox 64 and MonoClip 64 assembly. They are designed specifically for use with AV Stumpfl’s Monoblox 64 product series. The set has a net and gross weight of 0.26 kg and is identified by manufacturer article number BFZ-F/S/BXV/AT64/1. The product is supplied by AV Stumpfl and is not a projection surface or video signal device.