GM CLIMBING 8mm / 5/16in Double Braid Accessory CordSpecificationDiameter: 8mm / 5/16inMaterial: Polyester of High TenacityConstruction: Double BraidTensile Strength: 19kN / 4200lbCertificate: CE 1019 EN564The cord is firmly constructed to be safe and of high tensile strength as a climbing equipment.The cord is originally designated for prusik / lanyard making, anchor cord, or other applications in climbing and other sports alike, rescue, canoeing, caving, arborist, mountaineering, and etc.Double braid construction means that the cord gets 2 braided part: one is the core and the other is a protective sheath firmly braided. Combination of core-sheath produces not only high strength but also long lasting use with good, abrasion resistance.Excellent wild environment adaption.Sun exposure, big rain, strong wind outdoor environment requires a tough gear.The cord is made of high tenacity polyester which absorbs almost no water in wet environment.The fiber of polyester is of high strength and high abrasion resistance. It could bear different kinds of friction with branches, rocks.Light and compact in your backpack!You will always need to tie knots in outdoor activities, so a piece of such sturdy cord is a must-have in your backpack.It is light, flexible (easy to fold), and compact.