Courant
Courant Kalimba Bubblegum 11.9 mm Climbing Rope
A supple 11.9 mm 24-strand climbing line in a high-visibility pink colorway.
24-Strand Rope
Representative photo. Check the retailer listing for the exact model, color and size.
Photo: IMG_0397 by hojaleaf, CC BY 2.0
A 12.5 mm arborist line made to run in Petzl mechanical friction devices.
The Petzl Control is a 12.5 mm Petzl climbing rope made for tree work and designed to run in Petzl's mechanical devices such as the ZigZag. Climbers who buy Petzl ropes usually want that matched, predictable behavior.
Mechanical friction devices are sensitive to rope diameter and cover. A rope designed alongside the device gives you smoother descent and more predictable grab. That is the main reason climbers running a ZigZag or a similar device choose the Control.
It works on a moving-rope system or on a static line for SRT, depending on the devices and approvals in your kit.
Petzl ropes have a reputation for consistent diameter and cover, which matters with mechanical devices. A rope that swells or fuzzes up can change how much friction a device gives, so a stable line keeps your descent smooth from the first climb to the last.
The 24-strand-style cover is smoother than many 16-strand lines, which helps the rope feed through pulleys and devices without catching.
Read Petzl's instructions for the rope and every device you plan to use with it, and check compatibility before climbing. Life-support gear has to meet the applicable standard (ANSI Z133 and the manufacturer's instructions), be inspected before every use, and be used by trained climbers.
Keep it in a rope bag, away from sun, chemicals, fuel and bar oil. Retire it when inspection finds cover damage, core exposure, glazing or stiff sections.
| Diameter | 12.5 mm |
|---|---|
| Brand | Petzl |
| Use | Tree climbing |
Specs are from the manufacturer's published figures where available. Confirm against the product listing before you buy.
Possibly. Check the device manufacturer's list of compatible rope diameters and constructions before using it.
Close. 1/2 in is about 12.7 mm, so the two are similar, but device approvals are listed by diameter and construction, so check the specific rope.