1/4 Accessory Adaptor (CAT 2092) is a compact Miller accessory designed for use with the AIR fluid head. It provides a 1/4-inch adaptor screw hole to mount accessories such as external viewfinders, recorders, or small monitors to the side of the fluid head, preserving overall balance. The adaptor measures 24 × 24 × 20 mm and weighs 0.012 kg. Miller does not publish a load rating, material specification, or additional adjustment features for this adaptor.