RAM Yoke Clamp Mount with Curved Plate for Pilatus PC-12NG (RAM-B-380-A-125BU) (sku 54845)The RAM B 380 A 125BU consists of a yoke clamp base, SHORT double socket arm and curved angle plate. The yoke clamp base is designed with the Pilatus PC 12NG in mind; however, if your aircraft yoke has an outer diameter within the compatible range, this product will fit your yoke. The yoke clamp base will accommodate an outer diameter range of 1. 25" 1. 625". The curved angle plate is 2. 5" square with pre drilled holes for many different screw hole