* Product technical specifications:
- Hardness: Medium; Stiff ○○●○○ Flexible
- Racket frame: Graphite + Carbon Fiber
- Racket body: Graphite + Carbon Fiber
- Weight: 4U ~82 ± 2 grams
- Racket handle circumference: G5
- Maximum tension: ≤ 28 lbs ~12.7Kg.
- Balance point: 290 ± 5 mm (Balance).
K520 is manufactured at Kumpoo China factory.


























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