The Prokennex IQ Hept is a monofilament string with a seven-sided shape built for accomplished players who want excellent bite on the ball. Its formulation allows a thinner 17L gauge without the usual tradeoffs in tension maintenance and durability.
- Construction: Co‑polyester monofilament
- Cross‑section: Heptagonal (7‑sided) for maximum ball grip
- Gauge: 17L (1.19 mm)
- Set Length: 12.2 m (40 ft)
