PowerPro Zero-Impact Microfilament Braided Fishing Line introduces Termination Zone Technology. Line strength in Termination Zone (3 ft) is 50% stronger compared to nominal zone (20 ft) without compromising total line capacity on the reel. Simply tie your knot in one of the 36 inch clearly black marked Termination Zones for a level of confidence that is unmatched by any other Superline on the market.