CONSTRUCTION A combination of TECHNORA NRT 18G for the main string and SYNTHETIC GUT 17G for the cross string. FEATURES The TECHNORA NRT 18G main string enhaances playability without sacrificing the durability. The SYNTHETIC GUT 17G cross string gives greater resiliency and added power to this hybrid string. PLAYER PROFILE For hard hitters demanding exceptional spin control with added power and durability (not recommended for junior and senior players). t80040Regular price: $17.00Sale price: $8.00, 5/$34.00 Thanks for visiting our online store. We are highly faithful to our high quality products, and present it in supersized pictures(click for larger one). Also, we guarantee to handle your order and question within same business day!