Petzl TIBLOC Ascender
- 1.23 ounces item weight
- Ultra-light for rope ascents and hauling
- Silver finish
- Unisex adult department
Last refreshed Oct 2, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A very light Petzl ascender for rope ascents and hauling. The listing is short, with no rope range or strength figures, so confirm those before relying on it.
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ASIN: B07NQ94HGHModel: B01BCategory: Ascenders
Overview
An ultra-light ascender body from Petzl, the Tibloc is sold for climbing a rope and hauling loads. The listing gives little technical detail, so the maker guidance is the place to check how it is used.
Low weight matters most for climbers who carry a lot of gear, since it adds little bulk to a harness. The limitation is information. Rope diameter, strength and materials are not given, and the dimensions in the listing look like packaging.
Who it's for
Rope work and hauling setups where weight and pack space matter. Beginners who want a full instruction set, or anyone matching it to a specific rope, should read Petzl documentation first.
Pros and cons
- Very low weight
- Made for ascents and hauling
- Unisex adult department
- Petzl brand ascender
- Rope diameter range not listed
- Strength rating missing
- Dimensions appear to be package size
Performance notes
Weight is the one measured number, and it makes the ascender easy to carry on a harness. How it grips depends on its cam and the rope diameter, neither of which is described. Treat it as a tool to be matched to the rope using the maker instructions.
Where it stands among ascenders
- #2 most-searched brand and model of the 5 ascenders lines we track (by search demand, not sales).
From the specs of the 14 ascenders we list; not a test result.
Specifications
| Model | B01B |
|---|---|
| Department | Unisex adult |
| Weight | 1.23 ounces |
| Listed dimensions | 23.62 x 4.72 x 9.84 inches |
| Color | Silver |
Frequently asked questions
How big is the Petzl Tibloc ascender?
The listing gives 23.62 x 4.72 x 9.84 inches, which looks like package size rather than the ascender itself. The item weight is listed as 1.23 ounces.
What rope does the Petzl Tibloc fit?
The listing gives no rope diameter range. Check the Petzl documentation before use.
Is the Petzl Tibloc a full ascender kit?
No. The listing describes a single ultra-light ascender for rope ascents and hauling.