<!--ProdInc[300302102]/Mall:[backcountry_US]-->With innovative tech, available only from Sterling, the Duetto 8.4 XEROS boosts our confidence as we dance up sketchy trad lines and brave runouts. Each fiber was dry treated before ever being twisted into yarn, making this dry rope one of the most eco-friendly and durable in its class while also improving handling and reducing drag, easily becoming our new favorite for alpine pursuits. <h3>Details</h3> Half or twin rope for rugged alpine pursuits on ice and rock 8.4mm diameter for light and beefy protection on wandering routes XEROS dry technology boosts durability and resists moisture Middle mark provides clear identification on 50m and longer High-twist sheath reduces rope drag and makes handling easy Flexible core is sturdy while moving easily through gear Item #STEB04S <h3>Tech Specs</h3> Type : half, twin Diameter : 8.4mm Dry Treatment : XEROS (UIAA Dry certified) Static Elongation : [half] 11.2%, [twin] 6.3% Dynamic Elongation : [half] 30.7%, [twin] 28.7% Impact Force : [half] 6.2kN, [twin] 9.3 kN UIAA Falls : [half] 6, [twin] 16 Bi-Pattern : no Center Mark : yes Sheath Construction : high-twist Sheath Mass : 40% Rope Weight : 45g/m Claimed Weight : [30m] 2lb 15.6oz, [40m] 3lb 15.5oz, [50m] 4lb 15.4oz, [60m] 5lb 15.2oz, [70m] 6lb 15.1oz Activity : climbing Manufacturer Warranty : lifetime