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Tier One Sports T1-Firewire - Co-Poly Tennis String for Ultimate Spin (Reel - Red, 18 Gauge (1.20 mm) - 200 m Reel)
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Amazon.com : Tier One Ghost Wire Soft co-Polyester Tennis String (Reel - White, 16 Gauge (1.27 mm) - 200 m Reel) : Sports & Outdoors
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TRU PRO (Formerly Tier One Sports) TRU PRO Black Knight Set (40 feet/12.2 m) TRU PRO (Formerly Tier One Sports)
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