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Nuts, Hexes, and Passive Protection
Passive protection refers to the nuts, hexes, and tri cams.
Although hexes and tri cams can "actively" cam into position
when weighted, they are considered passive protection as they have
no moving parts. Wedges, Nuts, Chocks, Stoppers and what ever you
want to call them are variations of a tapered aluminum rectangle on
one end with a factory installed steel wire.
Hexcentrics or Hexes are six-sided semi-barrel shaped units with tapered edges similar in shape and curvature to modern nuts. Although well suited for wide cracks and bottlenecks, hexes were designed for parallel-sided cracks because of their ability to "cam" into the rock when loaded.
Nuts, Hexes, and Passive Protection
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