The same materials as the JBL one-piece models which are drawn 6063, annealed for extra rigidity. The end result: maximum energy transfer with virtually no flex. We machine-swaged each spear for enhanced hydrodynamics. This provides greater speed with minimal water disruption. This 3 piece travel polespear features precision machined unions for seamless fit and feel and allow for infinite extendability. Sling length is fully adjustable and the stainless threaded tip will accept any 6mm (7mm if specified) point. Comes standard with Barbed Paralyzer (846), Barbed Rockpoint (825), and travel case. Measures 7′ with Paralyzed tip attached.