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SKU: 34201
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Product Description


The ROOK can be used as a prusik minding pulley, on a lanyard or flipline, on a rope bridge, or even as a redirect. Conceptualized and designed by SHERRILLtree staff member Brandon Nance and made by world class manufacturer Rock Exotica in the USA. 28kN.

Arborists began to see the functionality of small pulleys integrated into climbing systems some time ago. What started out as using whatever was available has developed into a full-blown category of must-have micro pulleys.

The latest entry into this unique class is the vision of devoted climber and passionate SHERRILLtree employee Brandon Nance, brought to life by Rock Exotica: the Rook.

Made for lines up to a half-inch. An intrinsic swivel is designed for any situation to maintain whatever alignment you require. Three connection points turn this into a tool of many options and uses. Use on a rope bridge, or as a prusik-minding pulley, or on a lanyard/flipline, or even as a redirect. The possibilities are yours to discover.

  • The answer to the quest for an optimal rope bridge accessory that allows climbers the ultimate work positioning connection
  • To be used on saddles with rope style bridges measuring up to 13mm in diameter
  • Features swivel PAW that helps reduce twisting from climbing systems
  • Featuring rubber-lined attachment holes which help minimize carabiner movement that can lead to improper loading
  • Optimal chamfer edging prevents rope chaffing and wear
  • It is a great complement for climbing systems as a smooth hitch-tending device
  • Optimal three-hole configuration yields big combinations yet the ROOK is small enough to fit in the palm of your hand
  • Effective as an anchor point or member of your work-positioning lanyard
  • Feel free to double up in a two-crotch system as The ROOK keeps everything tidy in a central secure saddle connection
  • It’s the perfect component of an M system in an eye-to-eye split tail when paired with other pulleysmilled from premium T6 aluminum
  • tensile: 28 kN, weighs 5.6 oz, bearings instead of bushings
  • Not mid-line attachable

⚠️Warning:  This product can expose you to chemicals including nickel and chromium which are known to the State of California to cause cancer.  For more information, go to


  1. David Bigelow

    Cool little piece of kit. Super smooth rotation on the pulley. Nice for a rope bridge, but even better as part of a “hitchclimber” style climbing system. The way the pulley swivels will make you not want to go back to your normal triple hole pulley. The downside is the attachment holes are small. This can be a very good feature, but you will have to be diligent on your carabiner selection. Rock exotica fits the best, and the little rubber grommets really work well to keep the carabiners oriented properly. The grommets are removable/replaceable. Dmm perfect/ultra o, petzl o-d-william, mettolias steel D, and the green Notch carabiners all fit good. I’m sure a bunch more will fit, and a bunch more won’t. The Rocknrescue Raider does not.

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