HEAD Synthetic Gut 200M Tennis Strings Reel , Gold ExtR It is built for players

It is built for players who want the plow-through power of a heavier setup but still demand the soft feel of a control core

One is equipped with the Arctic Prism Thermoguard lining

Dual Exoskeleton Structural Armor: The Adipower's defining signature technology consists of dual-height carbon ribs inserted directly into the core and frame structure of the heart

which helps players who haven't yet developed the strength or full swing speed to handle a 300g+ frame

Forgiving Impact Response: Plays with a slightly softer impact feel compared to rigid geometric/shaped co-polyesters

HEAD Synthetic Gut 200M Tennis Strings Reel , Gold ExtR It is built for playersThe HEAD Synthetic Gut 200M Tennis String Reel (Gold) combines a premium metallic aesthetic with the reliable performance of HEAD's solid core nylon design. It delivers a budget friendly mix of playability, arm friendly comfort, and clean control for all around recreational and club play. HEAD Synthetic Gut is built around a solid polyamide (nylon) core wrapped in a outer layer of flexible filaments and coated with a smooth, friction reducing resin.