Available in 16g, 1.32mm, 17g, 1.24mm, 18g, 1.18mm, super mutifilament with SPL coating for excellent performance, feel, power, control and comfort. Official string of ATP world tour. Used by Mr Gefen in his tennis racket, 1.18mm, best performance string by far but not durable.( Can be used for Squash for excellent performance ) 38ft set for £17.00. 660ft reel for £235.00. Made in France.