The Multi-FEEL string is the product at an entry price in the category Multifilaments with a very special design that offers comfort, durability and power. Colour: Natural - Material: Polyamide, Polyurethane, Silicone - Recommended Canopy Hardness between 22 and 25 kg - Maximum Canopy Hardness: 32 kg 1 Roll of 200 m = 18 to 19 Fittings. The peculiarity of this series is to present a wear indicator that allows the player to change the string before the full crack. This wear indicator is noticeable by fibering in the middle of the striking surface. Tecnifibre became a leader in high-quality tennis strings thanks to its extraordinary and patented production process of the first multifilament strings in France. These strings are renowned for their incredible comfort, power and tensioning constancy and are very popular with tennis players. Thanks to the composition of several hundred microfilaments impregnated in the core with liquid polyurethane, Tecnifibre offers players the opportunity to gain power and performance.