Tier One Sports TRU PRO Firewire - Tennis String Set (Poly): Ultimate Ball Bite (18g (1.20 mm), 12.2 m, RED)

Tier One Sports TRU PRO Ghost Wire - Tennis String Set (Poly): Super Soft and Arm Friendly (16g (1.27 mm), 12.2 m, White)

Tier One Ghost Wire Soft co-Polyester Tennis String (Set - White, 18 Gauge (1.17 mm) - 12,2 m Set)

TRU PRO Firewire Tennis String Polyester - for Ultimate Spin String (16 Gauge (1.30 mm) - 200 m Reel RED)

Tier One Black Knight Co-Polyester Tennis String (Set - Black, 16 Gauge (1.28 mm) - 12,2 m Set)

Tier One Sports Black Knight - Co-Poly Tennis String for The High Performance Player (Set - Black, 17 Gauge (1.23 mm) - 12,2 m Set)

Tier One Sports TRU PRO Firewire Tennis String Polyester - for Ultimate Spin String (18 Gauge (1.20 mm) - 200 m Reel RED)

Tier One T1-Firewire Co-Polyester Tennis String (Black, 16 Gauge (1.30 mm) - 200 m Reel)

Tier One Sports Black Knight - Co-Poly Tennis String for The High Performance Player (Set - Black, 18 Gauge (1.18 mm) - 12,2 m Set)

Tier One Strike Force RIP Co-polyester Tennis String (Set - Gray, 17 gauge (1.23 mm) - 12.2 m set)

Tier One T1-Firewire Co-polyester Tennis String (Black, 18 gauge (1.20 mm) - 12.2 m set)