The new 9mm CanyonLine Canyon Rope is a giant leap forward in design AND safety CanyonLine features a 100 Technora Aramid sheath for excellent cut resistance and has a cabled nylon core. The cabled core is designed to elongate in the event of an accidental shock load which provides the user a higher margin of safety. The elongation helps reduce impact forces generated in the system. CanyonLine has a massive 6400 lbf tensile strength In the sub 10mm category the tensile strengh of this rope has no equal. The diameter works well in all descenders and is excellent in ascenders even when wet. This is a Low elongation rope and must NEVER be used when the user is above the anchor point.