CONSTRUCTION & TECHNOLOGY: Fortified Resin System (FRS) technology Advanced Reinforcing Technology™ (ART™) Integrated Poly Curve® (IPC®) mandrel technology. Taper Enhancement Technology (TET) blank design Fuji® K-Series tangle-free guides with Alconite® rings Precision machined aluminum reel seat nuts and wind checks Comfortable Split-grip, super-grade cork handle for models 1-4 Full-grip super grade cork handles for models 5-8