Tecnifibre DNAMX 18 1.15 To demonstrate agility and dynamic power, Technifibre introduces its DNAMX 18 1.15 squash string. With a PU HDX and Elastyl™ fibers, players can experience the benefits of 100% elasticity. SPL2Inside technology promotes a sliding of the string for excellent cut. This string is especially designed to keep up with the accelerated speed of the modern squash game. Used by Mohamed El Shorbagy.100% elasticity for ultimate comfort & dynamic performance.SPL2Inside for better sliding of strings and maximum cut.