unifiber elite v2 carbon rdmIntroducing the Unifiber Elite v2 Carbon RDM Extension. Maximum performance, maximum durability. Whether you're taking off in heavy waves or setting new speed records, you can rely on this mast extension. The pre preg carbon fiber tube keeps the weight down and makes your rig more responsive. The direct connection between the pre preg carbon fiber tube and the stainless steel base is stiff, solid, and extremely durable. The clamp allows for one handed