Purchased 2019 Used about 7 times suit buyer looking for almost as new boom. An excellent stiff and light boom (2.42 kg) for racing or general fun use. It features the full prepreg carbon monocoque body and extension (200-250cm). Built with 33msi pre-preg carbon. The grip is comfy in very good order and diameter is slim and tapers (30 into 36mm). It uses the proven double pin locking system. An adaptor allows use with RDM and SDM masts. A high quality piece of equipment.