luxilon 4g black 1 25mm 200m strangrulleLuxilon durable polyester string 4G Black delivers high quality precision, feel and tension that lasts. Luxilon 4G Black monofilament string has maximum durability of tension and provides a cushioned, comfortable feel at ball strike, which suits modern play that is defined by power and spin. The composition of this string was designed to help players reach the next level, with its molecular chains strategically aligned to minimize tension loss over