The Union unites the two best metal in the game, Scandium and Titanium. With DYNAMIC WALL TAPER technology, the UNION truly has the optimal strength-to-weight combination. WALL TAPER technology is an extrusion process which tapers the wall thickness putting added material in areas of the shaft that see the most abuse and cuts weight in areas that can afford it. PERFORMANCE TECHNOLOGIES: The Union shaft is made with Scandium Titanium. It holds a bead blasted grip a flat appearance with no shine adds slight texture. Its dynamic walls taper the thickness putting added material in the areas of the shaft that see the most abuse and cuts weight to maximize the strength to weight ratio. Traditional Shape. Complete with the ABE3 Our signature Butt-End now with smooth, rounded edges, 7 points of contact and a silicone liner that locks tight to all shaft shapes. ADDITIONAL SPECS: Six month Warranty from date of sale to consumer