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copy of ERT300 TENNIS STRING TESTER
IF YOU WANT TO WIN THE MATCH, LEAVE NOTHING TO CHANCE!
High-tech measuring device for fully automatic measurement of string stiffness and playing characteristics on every tennis racket. The patented technology of the world's best players. Fast and accurate. Made in Switzerland! Pay attention to the strings because they are the engine of your racket.
With the string stiffness - DYNAMIC TENSION DT - optimally adjusted to your style and level of play, you get the most out of the interaction between racket and string.
ERT 300 in high quality case (case 20 x 20 x 20 x 5 cm)
DT system disc (stringing aid)
2 batteries inserted (CR 2032 battery)
YOU DECIDE: Do I need a strong or soft string tension for my game? Are the strings of my tournament racquets identical? When do I need to re-string my racquets?
EXPERT OPINIONS
Players:
- The ERT300 gives me the confidence that my racquets are optimally strung and that my strings are performing at their best. I can fully concentrate on the opponent and the game.
Stringer:
- A must-have for every stringer. With the ERT300 I can check the quality of my work at any time and advise my customers competently. Now I know exactly when I have to renew their strings and I can recreate their optimal DT value at any time with a new restringing - a real quality job!
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