The gamma live wire professional 132mm tennis string set is 122m 40ft long and features an advanced string construction with 50 more iso elastic fibres ncp tension fibres ensuring longer tension maintenance as well as new peek abrasion resistant fibres which are woven within the outer wraps to provide enhanced durability the string set offers the live wire multifilament technology and guarantees gut like performance it ensures a crisp solid feel ideal for professionals and has a gauge