String comparison
Synthetic Gut with WearGuard vs Synthetic Gut with Duraflex
Gamma Synthetic Gut with WearGuard against Prince Synthetic Gut with Duraflex: ratings, specs and which one fits your junior.
The short answer
Both are synthetic gut strings. Synthetic Gut with WearGuard leads on durability and tension hold. They score the same for arm friendliness (4/5).
Ratings
Power
Spin
Control
Comfort
Durability
Tension hold
Ratings are on a 1–10 scale. The higher score is in bold when they differ.
Pick Synthetic Gut with WearGuard if…
- You want more durability (7 vs 6 out of 10)
- You want more tension hold (6 vs 5 out of 10)
- Your player is younger (recommended from age 6 vs 8)
- Best for: players who restring often
- Best for: cross string in a poly hybrid
Pick Synthetic Gut with Duraflex if…
- Best for: players wanting comfort without premium price
- Best for: hybrid cross string with poly mains
- Best for: players developing technique
Specs side by side
| Spec | Synthetic Gut with WearGuard | Synthetic Gut with Duraflex |
|---|---|---|
| Type | Synthetic gut | Synthetic gut |
| Construction | Super Resilient Dynalon solid center core with WearGuard wear-resistant outer wrap, irradiated for elasticity | Solid nylon core with single outer wrap and Nomex wear-resistant Duraflex fibers |
| Gauges | 15L, 16, 17 | 15L, 16, 17 |
| Stiffness | Medium | Low |
| Set price | $4–6 | $5–8 |
| Reel price | $82–83 | $60–80 |
| Arm friendliness | 4/5 · Good | 4/5 · Good |
| Cost to maintain | 5/5 | 5/5 |
| Recommended from | Age 6 | Age 8 |
| Levels | Beginner, Intermediate | Beginner, Intermediate |
| Play styles | All court, Touch player, Serve and volley | All court, Serve and volley, Touch player |
| Junior tension | 52-58 lbs for juniors, mid-range of the racquet. | 52-58 lbs for juniors. Can string higher (58-60) for more control without sacrificing comfort. |
Synthetic Gut with WearGuard in short
Gamma Synthetic Gut with WearGuard is one of the most common budget strings and a Tennis Warehouse best seller. A solid Dynalon core helps it hold tension, and the WearGuard wrap resists notching and reduces friction. Gamma pitches it as an all-around string that balances playability and durability. Buyers report good comfort with average power and control; it lasts well at moderate use but breaks quickly under heavy topspin.
Synthetic Gut with Duraflex in short
Prince Synthetic Gut with Duraflex is one of the best value strings of all time. The solid nylon core with Duraflex (Nomex wear-resistant fibers) provides consistency and durability at an unbeatable price. While not as soft as multifilaments, it offers plenty of comfort along with decent power. The Duraflex technology softens the string to almost multifilament comfort levels while providing a "blank canvas" feel that appeals to a wide range of players. Perfect starter string for developing juniors.
Synthetic Gut with WearGuard vs Synthetic Gut with Duraflex: quick answers
Which has more spin, Synthetic Gut with WearGuard or Synthetic Gut with Duraflex?
They tie on our spin rating (5/10 each).
Which is more arm-friendly for a junior?
They score the same, 4/5. Synthetic Gut with WearGuard is recommended from age 6 and Synthetic Gut with Duraflex from age 8.
Which lasts longer?
Gamma Synthetic Gut with WearGuard rates 7/10 for durability against 6/10.
Which is cheaper?
Synthetic Gut with WearGuard costs about $4–6 a set and Synthetic Gut with Duraflex about $5–8, at typical retail.
The short answer and the "pick if" lists are generated from our ratings and junior data only. Data verified 2026-10 (Synthetic Gut with WearGuard) and 2025-01 (Synthetic Gut with Duraflex).