Hardy Zephrus freshwater rod. The Hardy Zephrus series of fly rods features award winning Sintrix material - Sintrix 440. The Zephrus exhibits high recovery and enhanced in hand feel for a fast action rod, while generating high line speed and phenomenal line control. Sintrix (Silica Nano Matrix) 440 has up to a 60% increase in compressive strength and up to 30% weight reduction over traditional graphite blanks. The Zephrus is generally a high scoring rod in competitive shootouts. Features: REC Black pearl recoil guides, Fuji Titanium stripper guides, fast action blank design in green color, matching green and wood tone burl spacer.