2.5 Inch Dia. Base with 1.0" Dia. Rubber Ball, Standard Sized Length Arm and RAM-B-202U-RYM1 2.5" Dia. Plate with Hardware for Selected Raymarine Dragonfly Devices (Light Duty)
Price: $38.49
Universal Small Tough Claw (Fits .625 Inch to 1.5 Inch Round Rail Diameter and 0 to 1.14 Inch Flat Surface), Standard Sized Length Arm and RAP-B-379U-M616 1 Inch Dia. Tough-Ball with M6-1 X 6MM Male Threaded Post (Fits Raymarine WiFish, Dragonfly 4 & 5)
Price: $61.99