70 meter pre-cut hank, 11 mm SRT climbing line. Yale Explore-K is based on the popular Yale Kernmaster SRT climbing line and re-designed by Yale Cordage specifically for the Explore: The Ancient Trees of Africa team (Drew Bristow and Dak Wiles). Yale Kernmaster takes the construction of static climbing/rescue lines to a new level. Kernmaster's unique 48-strand Polyester cover and braided nylon core offers handling and performance not available in any other static line on the market. Ideal for SRT Work Positioning with the Rope Wrench - can also be used for DbRT if necessary. No stiffening, hardening or shrinking when wet. Excellent knotability - makes other static lines feel like ReBar. Kernmaster is increasingly popular with industrial rope access/rescue practitioners along with serious aerial arborists. The 3.2% elongation is deceptive - under static load Kernmaster feels almost 100% static but when dynamic load is applied the elongation curve goes up significantly to absorb energy (say, that generated in a