Amazon.com : Tier One Sports Black Knight - Co-Poly Tennis String for The High Performance Player (Reel - Black, 15 Gauge (1.33 mm) - 200 m Reel) : Sports & Outdoors
Amazon.com : Golden Set Power Cord 16g (1.30mm), Reel (660ft/200m), Polyester Tennis String (Dark Grey) : Sports & Outdoors
Amazon.com : OEHMS Alu Pearl Rough | 200m (660ft) Reel | Grooved Co-Poly Tennis Racket String | Ø 1,25 mm (16L) : Sports & Outdoors
Amazon.com : Signum Pro Tornado 17 1.23mm String Set : Sports & Outdoors