tecnifibre 4s 200m rulle 1Black Code is Tecnifibre's best selling polyester tennis string. The 4S was formerly known as the Black Code 4S but now goes by the name 4S only. Like Black Code, 4S provides good control but generates even more spin than Black Code due to its 4 edge structure and it is both softer and holds pressure longer than comparable strings on the market. Durability: very high Playability: high energy on returns Arm friendliness: medium absorption of vibrations

Sturdy zipper

USB mobile charger for both Android and Iphone

you can maintain that position once you've found the best position for a slice

000 people in over 90 countries develop their topspin and groundstrokes

Easy to keep clean

TopspinPro Extra ball package

Read more about how to use the SmashMaster here

MSV Tennis

intermediate and advance

Tip is to use the racket as a warm-up

While dampers effectively reduce vibration near its typical location

Exclusive felt and long durability