Probably the best multifilament on the market for performance and comfort in natural colour.( Used by Mr Gefen in his tennis racket to great effect ) Available in 16g, 1.32mm, 17g, 1.24mm and 18g, 1.18mm, can be used for squash and racket ball as well. 40ft set for £16.00. NRG II 1.18mm available in single sets only in Natural colour. Made in France.