Yonex PolyTour Rev 17G/1.20 String Purple Color:Default Title Copolyester composition provides durability as

Copolyester composition provides durability as well as flexibility for a softer feel than traditional poly strings

which uses other metals in higher percentages in a way that feels unique

Easy access to powerful spin

improved lacing and a two-piece midsole

The Diadem Nova FS 100 is maneuverable and powerful making it a great option for a wide range of players

Yonex PolyTour Rev 17G/1.20 String Purple Color:Default Title Copolyester composition provides durability as' Intense bite and control from SIF technology* (Silicone Infused Filament) *SIF technology is developed in cooperation with NANODAX For baseliners with medium to fast swing speeds looking for a shaped string (8 sided) that grabs onto the ball for the ultimate spin experience.