Stationary rope system climbing, rappelling, rescue, access, and specialty rigging operations make high demands on a rope. Samson answers with Mercury kernmantle climbing line. Mercury is designed to equal or exceed NFPA 1983 requirements, and provides firm body with good shock mitigation. It is a balanced non-rotational rope with a high tenacity solution dyed braided polyester cover over a heat-stabilized nylon core. Designed specifically to work with arborists' hardware, Mercury meets the needs of today's advanced climbers.