Rope Wrench Flow



The Notch Flow Adjustable Rope Wrench has an adjustable concave stainless steel bollard which provides a custom friction setting. Engineered and developed in collaboration with Kevin Bingham and officially licensed from Singing Tree, the Notch Flow Adjustable Rope Wrench revolutionizes your basic SRS setup of a wrench and tether. Evolving from the original ZK-1 construction utilizing a bollard, the Flow is unique because it’s adjustable, giving you the freedom to customize the friction in your setup. The Flow provides an improved ultra-low drag ascent, saving you time and energy when you climb. 


Features & Benefits :

  • Improved ultra low drag ascent
  • Fits rope diameter range = 11mm-13mm (7/16” – ½”)
  • Quick and efficient integration with Fusion Tether or alternative tethers
  • Includes stainless steel slic pin for mid line attachment of the climbing rope
  • Robust solid hot forged T6 7075 aluminum construction
  • Rope friendly chamfered edges
  • Engineered & developed in collaboration with original inventor Kevin Bingham


  • MBS 23 kN (5,400 lbs.)
  • ROPE DIAMETER 11mm - 13mm (7/16” - 1/2)
  • DIMENSIONS (INCHES) 2 x 4⅜ x 1⅝
  • DIMENSIONS (MM) 51 x 111 x 41
  • WEIGHT 0.25 lbs (113g)