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Rope Clamp Croll L - Chest Ascender

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Rope Clamp Croll L

Whether you're ascending a fixed line on a big wall or just hanging out on toprope to snap some photos of your friends, Petzl's Rope Clamp Croll L keeps you secure on the rope. The aluminum body reduces the overall weight of the rope, yet is still strong enough to meet European safety standards and certifications. A wide rope channel allows for ropes between 8 and 13mm to be used with the ascender, and the toothed camming unit securely holds the rope in place and easily ascends the rope while moving upward. The nylon safety catch can be used to hold the camming unit open when placing a rope inside the ascender, and locks the device in place when the rope has been placed inside the channel so you can safely ascend fixed lines.


  • A chest ascender for moving yourself up fixed lines
  • Aluminum body cuts down on weight and provides rigid support
  • Wide rope channel accommodates ropes between 8 and 13mm
  • Toothed camming unit secures the rope and allows for easy ascending
  • Nylon safety catch keeps the camming unit from opening when in use
  • Item #PTZ007Y
Rope Diameter
8 - 13mm
Claimed Weight
Manufacturer Warranty
3 years