Diadem Pro X Tennis Racquet String, set 40ft/12.2m. Size:16L (1.25mm) less arm strain and very

less arm strain and very natural gut playing characteristics

this string was built for spin

Kirschbaum Max Power tennis string provides hitters the control needed to get max acceleration

200M nylon material

Diadem Pro X Tennis Racquet String, set 40ft/12.2m. Size:16L (1.25mm) less arm strain and veryDiadem Pro X is the most powerful and firm option for string in the Diadem line. Designed with the help of current pro tennis players, this poly string is designed to provide a stiffer option than the Flash string, with a hexagon cross section. The firmness results in an explosive response off the string bed with adequate spin production from the edged shape.