Published at Sunday, April 08th, 2018 - 12:08:24 PM. Tennis. By Astride Astrid.
With polyester strings continuing to dominate the stringing spotlight it's no surprise that string manufacturers are continuously innovating and releasing new polyester strings designed to provide more spin better tension maintenance and improved feel. French string manufacturer Tecnifibre jumped back into the fray with Black Code 4S a new take on their Black Code poly that features a square profile and is designed to provide maximum spin power and durability all while offering excellent tension maintenance.
ISOMETRIC: Larger sweet spot. Developed over 30 years ago the ISOMETRIC design increases the sweet spot by 7%* Compared to a conventional round frame a square-shaped ISOMETRIC racquet generates a larger sweet spot by optimizing intersecting main and cross strings.
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