Notch Flow Adjustable Rope Wrench


The Notch Flow Adjustable Rope Wrench features an innovative adjustable concave stainless steel bollard for personalized friction settings.

This revolutionary tool transforms your standard SRS setup of a wrench and tether. Building upon the original ZK-1 design with its bollard construction, the Flow stands out for its adjustability, allowing users to tailor the friction to their preferences. Experience enhanced efficiency with the Flow’s ultra-low drag ascent, saving time and energy during climbs. For the ultimate SRS setup, pair the Flow with the Fusion Tether.


  • Improved ultra-low drag ascent for swift climbing.
  • Seamlessly integrate with the Fusion Tether or other alternative tethers for quick and efficient setup.
  • Includes a stainless steel slic pin for secure mid-line attachment
  • Crafted from robust solid hot forged aluminium for durability and reliability.
  • Chamfered edges for smooth operation.

Tether Combo Features:

  • Adjustable bollard allows for custom friction setting, enhancing control and performance
  • Features an incorporated Rope Wrench stop for optimal orientation during use
  • Offers multiple SRS ascent attachment points for versatility
  • Includes a secondary attachment point for auxiliary climbing systems


  • MBS: 23 kN (5,400 lbs)
  • Rope diameter: 11mm – 13mm
  • Dimensions: 51mm x 111mm x 41mm
  • Weight: 113g

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