The Retenser enables tennis players to achieve optimum string tension at any time. Using an innovative technology, it can handle a huge amount of pressure with a refined adjustment mechanism. This makes the string tensioner easy to handle and permits different locking positions. Weighing 5 grams, the Retenser is very lightweight, able to withstand 150 kg of string tension and, thanks to two different base parts, compatible with most rackets.
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With its innovative construction, the compact Retenser allows the string tension of tennis rackets to be adjusted with ease.
