Our enhancements include adjustable spring tension, a reversible cable and pin, and "mud vents" to help prevent dirt caked on rope from degrading ascender performance. Learn More
CMI Twin Expedition Arborist Ascender, The Twin Expedition is the first single-handled dual ascender designed to meet the needs of industry leading arborist professionals. The EXPTWIN easily accommodates three rope techniques - 2:1 doubled rope technique (DdRT), 1:1 single rope technique (SRT), and 1:1 twin line ascent (DbRT). Learn More