Carabiners and Snap Hooks are widely used in activities requiring ropework, such as rock climbing, ropes courses, caving, canyoning, zip line operations, challenge courses, aerial adventure parks and sailing, and carabiners are also used in industrial rope access work, such as rigging, construction and assembly work and window washing.
Carabiners used in sports tend to be lighter than carabiners used in industry. For recreational climbing, almost all carabiners are made from 7075 aluminum and are treated to a T6 temper (solution treated and then artificially aged).
For zip lining, rope rescues, and industrial carabiner uses, where the weight of the carabiner is not an important factor and larger working loads are encountered, steel carabiners are commonly used. Steel carabiners must be used when clipping to zipline cable, wire rope r other steel connector.
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