Innovative designs. Unmatched quality and dependability. Unparalleled
customer service. Since bursting onto the market in 1963 with a handful
of thoughtfully engineered products designed for climbers and mountaineers,
these three core principles are what has set CMI apart.
Today our line includes products designed with a wide variety of uses in
mind. Our close partnerships with arborists, ropes course professionals, and
fire service and industrial safety experts have enabled us to develop elegant
solutions to the unique challenges these professionals face.
While our ever expanding dealer network may span the globe, we at CMI have never
wandered from our home in West Virginia's outdoor playground. Our setting near
the world renowned Seneca Rocks and New River Gorge climbing areas helps us
stay focused on our core principles and the products we stake our lives...and
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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). It is
intuitive and easy to use, has redundant safety features, and is the first ascender on the market to use one finger to actuate both cams for
one handed downward adjustability.
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