Low Stretch Properties:Our static rope just have 4% MAX elongation. The low stretch properties will give you a bounce-free descent that is easier to control and can help to increase the level of control that you have during a descent. Is the best option for tree climbing,tree rigging,arborist climbing rope, abseil on rope,canyoneering,rescue work, caving, climbing fixed lines with ascenders and hauling loads. Because a stretchy rope causes the climber to bounce and use more energy to climb. Double Braid Climbing Rope: Double braid rock climbing rope feature a 16 high strength strand polyester cover and a core made of nylon. Nylon core have superior strength and remarkable stretching capabilities. So x xben 10.5mm static rope have pull (max tensile force): 25 kn(5621 lb), max bearing: 2000 kg (4409 lb). also being extremely light(75g/meter). The most important is polyester cover has tremendous abrasion resistance,retains can hold strength when wet. Professional design:the twist of the strands in a twisted and braided rope serves not only to keep a rope together, But enables the rope to more evenly distribute tension among the individual strands.Making the cord super firm and adding to its excellent outdoor environment adaptation. Also with a smooth grip, supple for handling, flexible and easy to tie knots. True Satisfaction Guaranteed & Support: The featherweight rope is the perfect choice for any hiker who wants to pack light. We are always here for you! If your rope has any problem on arrival, simply contact us and then let us take care of the rest for you.