By increasing the arbor to a larger diameter and making the spool narrowerall the while decreasing its total weight and partsGuru S takes it to another level. An enhanced spool machining techniquefocusing material only where its neededmakes this version significantly lighter and higher performing than its predecessor. Weve opened the porting to reduce weight and improve line drying, and integrated the counterbalance. We even introduced a curved cross-section for structural stability. Taking your game to fishing nirvana, this will be your Guru for life.