Arizona Technicians Edge Kit pulley set works AZTEK system was developed in Arizona-based Ropes that rescue ltd. rigging programs around the world. These configured as a "set-of-fours" double-blocks as shown in the detail in the rigging video. These swivel omni pulleys (blocks) are hewn from a solid "block" of high strength aluminum and are engineered with great pride pulleys inculuding the 8mm restraint cord, rated at (19kN) and ratchets in two colours, and shoc absorber/restrain cords.
The set of Two blocks are different colours for ease of identification.
Turn the set-of-fours one way and you have a 5:1 mechanical advantage. Turn it around and a 4:1 w/change of direction is the result, making this Personal Mechanical Advantage extremely versatile.
A progress capture prusiks are laced onto the restraint cord and then formed into a directional prusik hitch (3 on 2) which prevents the inadvertent loss of the prusik once assembled.
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