TRU PRO BLACK KNIGHT Set 12.2m / (40 FEET)

Professional-grade performance with exceptional value

The TRU PRO BLACK NIGHT High-Performance Co-Poly Tennis String 12.2m / 40 FT Set is engineered for modern tournament players who demand precision, durability, and consistent high-level performance. Designed with an advanced six-sided co-polyester profile, this string delivers exceptional control while providing enhanced spin potential for aggressive, all-court play.

Built for players with fast racquet speeds, it offers outstanding directional and depth control, allowing confident shot-making under pressure. Despite its control-oriented design, the string maintains a surprisingly arm-friendly feel, making it suitable for extended training and competitive match play. With excellent durability and tension stability, it ensures reliable performance from the first hit to the final point.

Key Features

• Six-sided profile for increased spin potential and ball bite
• Control-focused response for precise shot placement
• Exceptional durability for high-intensity play
• Excellent tension stability for consistent long-term performance
• Arm-friendly feel compared to traditional firm polyester strings
• Designed for tournament-level performance

Specifications

• Length: 12.2m / 40ft
• Gauges:
  • 15g (1.33mm)
  • 16g (1.28mm)
  • 17g (1.23mm)
  • 18g (1.18mm)
• Colour: Black

Performance Characteristics

• Power: Low–Medium
• Control: Very High
• Comfort: Medium
• Durability: Very High
• Tension Stability: High
• Spin Potential: High
• Feel / Playability: Firm & Controlled

Who It’s For

• Players experienced with co-polyester strings
• Advanced and tournament-level players seeking maximum control
• Players who generate their own power and require precision
• High-level juniors (15+) and competitive athletes

Recommended Levels:

• 15g–16g: Advanced players (UTR 9–16+, NTRP 5.0–7.0, college & ITF level)
• 17g–18g: Intermediate–advanced players (UTR 6–9, NTRP 4.0–5.0)

Why Choose TRU PRO

TRU PRO strings are engineered for serious players who demand consistency, precision, and durability. This string delivers a true control-oriented performance, giving you the confidence to swing freely and execute under pressure