... away well 4.Stringing Lbs:26-28 Lbs Type of badminton strings:FB-65.Material:Top grade nylon.Specification:Diameter 0. ... -grade tennis rackets, badminton rackets, and tennis, shuttlecocks; every kind of high, medium stringing machines, screen wires, strings, grips; and every ... , the products have won the awards of tennis and badminton association and appointed as special products used by BOBBY ERTANTO ...