Vik Orsta 10004098 is a steel double top-piece for lighting masts, powder-coated for outdoor service and configured for two luminaires arranged at 90°. Pole-side and luminaire-side end diameters are 60 mm, matching Euro-joint sockets. Overall dimensions are 340 × 365 × 340 mm at 4.5 kg. Typical use is mounting a pair of street or area luminaires atop a light mast.