Square profile monofilament co-polymer + carbon + polyolefin string with a Thermo Foil Cooling Process finish Two Flat surfaces, mains/crosses, in contact with each other give extra durability No notching and the string returns very quickly from any movement after hitting the ball Power combined with great control and feel
Item# : SPM9836626902
Model # : LYSB00LCYSZCI-SPRTSEQIP