The Babolat Syn Gut 16 1.30 660' Reel tennis strings are the perfect choice for players who want a solid all-around performance without breaking the bank. This synthetic gut string offers a surprising range of playability for a solid core nylon string. and can also be used to soften up a poly hybrid string. For beginners and recreational players looking for comfort. the Babolat Syn Gut 16 1.30 660' Reel is an excellent option.