IsoSpeed Iso-Speed Black Fire

The ISO Speed Black Fire 200M tennis string, in black with a diameter of 1.20 mm, is designed for players seeking increased durability and consistent performance. This monofilament polyester string offers excellent tension maintenance and reduced power transfer, making it particularly suitable for advanced players who generate significant racquet head speed and prefer more control over their shots. The 1.20 mm diameter provides a balanced combination of durability and playability, while the black color offers a classic aesthetic that complements various racquet designs. Made from high-quality polyester materials, this string delivers reliable performance over extended play sessions while maintaining its structural integrity. The ISO Speed Black Fire 200M is designed to minimize notching and wear, contributing to a longer string lifespan compared to standard synthetic gut options. Players can expect a firm feel with reduced vibration, which can help prevent arm fatigue during longer matches. This string works well with various stringing patterns and racquet types, providing versatility for different playing styles. The 200-meter reel format offers convenience for frequent stringers and tennis facilities, as multiple stringing jobs can be completed from a single purchase. When installed at appropriate tension levels, typically between 22-27 kg, this string provides predictable response and consistent ball feedback. The ISO Speed Black Fire 200M is a practical choice for competitive players who prioritize control and durability in their equipment selection.