Amazon.com : Luxilon 4G 125 (16L) Gold Tennis String 2 Pack Set - Best Racket String for Max Tension and Cushioned Feel on Impact : Sports & Outdoors
LUXILON 4G 17G 125 STRING NEW | eBay
4G Soft 125 Tennis String - Reel | Luxilon
Luxilon 4G Rough 16L (1.25) – Holabird Sports
Luxilon Tennis on Twitter: "Luxilon 4G holds your string tension 30% longer than other polys. As durable as it gets. https://t.co/B3kSukFbXH" / Twitter