Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information String Duo Symmetry ← View details 3 Croft Lane, Ashwell, Oakham, Leicestershire LE15 7LL, United Kingdom, Oakham, England