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Hydra Triple-Attachment Pulley

Hydra Triple Attachment Pulley Hydra Triple Attachment Pulley Example of Hydra in Use Example of Hydra in Use Example of Hydra in Use
Hydra Triple-Attachment Pulley image Hydra Triple-Attachment Pulley

Buy Hydra Triple-Attachment Pulley


The Rock Exotica Hydra pulley combines a great pulley, efficient swivel, and rigging plate all into one unit. The Hydra shines as a rolling attachment point on rope bridge harnesses, where the swivel eliminates twisting of the climbing line. Other uses include running the hydra to tend your friction hitch on a lanyard, using it to tend a friction hitch on a climbg line, and more.

The carabiner holes in the triple attachment top are rubber-lined to keep your carabiners positioned correctly (works best with RockO oval carabiners). Every component of the Hydra pulley is machined to be rope-friendly, and built for strength - the Hydra is rated at 28kN and weighs only 5.6 oz.

Note that the Hydra has no swinging sideplates, so it can't be installed midline.

  • Swivel-mounted on bearings
  • Lightweight aluminum body
  • Eliminates rope twist
  • Rope-friendly surfaces
  • Compact
Manufacturer : Rock Exotica
Made in : U.S.A.
Max Rope Diameter : 1/2” (13mm)
Breaking Strength : 6,294 lb (28 kN)
Manufactuer WLL : 1,124 lb (5kN)
Weight : 159 g (5.6 oz)
Height : 4 1/2”
Width : 2 1/2”

Rock Exotica Technical Sheet for the Hydra Pulley


  • Pending CE certification

ANSI Z133-2017

The American National Standards Institute (ANSI) has released the ANSI Z133 safety requirements which apply to arboricultural operations.

The Hyrda is ANSI compliant.

The full ANSI Z133 safety requirements are available on our tree care standards page.

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