UNIFIBER ELITE RDM V2 CARBON MAST EXTENSION (U-PIN)Maximum performance, maximum durability. Whether you're blasting on heavy chop or bombing mast high waves, you can rely on this mast extension. The pre preg carbon tube keeps the weight low and gives a responsive feel to your rig. The direct connection between the pre preg carbon tube and the stainless steel base is stiff, solid and extremely durable. The open and slide collar allows for one handed length adjustment and the flat base is bare foot