Tecnifibre 4S (Black) [1 set]

*1 set: 40 feet / 12 metres (applicable for standard 16×19 racket)

*Please note that the strings are cut from reels and are not packaged.

The best string for spin. Square section for maximum spin, 20% more power than Pro Red Code, same tension maintenance as Razor Code, 15 % more durable than Black Code.