A7075 is Aircraft Grade Aluminum. This spool is designed for extreme finesse and boasts an ultra-small caliber for precision New design concepts are the pinnacle of durability and innovation The Hyper Drive Design consists of four new elements: Hyper Armed Housing, Hyper Drive Digigear, Hyper Double Support, Hyper Tough Clutch Revolutionary T-Wing System addresses the issue of traditional line guide/level wind systems constricting line flow by delivering a T-shaped line guide that is larger, wider and less restrictive TWS allows line to exit freely from the spool with minimal line angle and minimal friction, thereby reducing line noise and backlash, and delivering more accurate and longer casts