Duotone Foil Fusion Boom 2025. UNIT 25 COMES WITHOUT HANDLES OR BOOM. The Duotone Fusion boom listed here is Lightweight Carbon construction with a Flush connection to the strut-attachment and Oval Carbon tube (diameter ca. 22.5mm/26.5mm) PRO BOOM is Excellent handling in maneuvers, Lighter overall weight and Hand can slide and grab anywhere... Available from H20 Sports...