8.4 mm Dynamic Rope Certified to Half and Twin Ideal for long, wandering routes, run-outs, ice climbs or sketchy trad leads. The smooth, high-twist sheath and unique core allow the Duetto to be durable and easy to handle while reducing drag through gear and over rock. UIAA Dry certified built with Sterling XEROS Rope technology Made with bluesignA(R) certified raw materials Includes middle mark for lengths 50M and longer Available Lengths: 30, 40, 50, 60, 70, 80 m UIAA 101 | EN 892 Diameter (mm) Dynamic Elongation (%) 8.4 30.7 | 28.7 Rope Type Static Elongation (%) Half | Twin 11.2 | 6.3 Sheath (%) Impact Force (kN) 40 6.2 | 9.3 Weight (g/m) UIAA Falls 45 6 | 16