The Singing Rock Jack is a compact descender for professional rope access and rescue operations. The device is designed for work positioning, ascending and descending on the work line, and can also be used for lowering and belaying persons. Its operation focuses on durability, maximum simplicity and intuitive handling. The Jack is certified to EN 12841-C, EN 341-2A and EN 15151-1 type 6.
Automatic locking and controlled handling
The Jack automatically locks the rope, allowing the operator to focus fully on the task. Movement speed on the rope is controlled with the lever. With an unloaded rope, the locking mechanism can be deactivated by pressing the cam, allowing the rope to be removed from the device without using the lever.
Versatile use in rope techniques
The device can be used for work positioning, short ascents, controlled descents, lowering persons and belaying applications. The rope can be inserted and removed without disconnecting the device from the harness. The patented design with magnetic cam retention supports smooth and intuitive rope installation.
Technical specifications
- Weight: 410 g
- Material: stainless steel, light alloy and hardened plastic
- Max. load: 200 kg (see instructions for use)
- EN 12841-C: suitable for 10-12 mm static rope (low-stretch)
- EN 341-2A: suitable for 11 mm static rope (low-stretch), max. 150 kg, maximum descent length 100 m
- EN 15151-1 type 6: suitable for rope diameters from 9.3-11 mm
| Standardization | EN 12841-C, EN 15151-1, EN 341-2A |
| Equipped with anti-panic function | No |
| Protected against incorrect fitting | No |
| Maximum rope diameter | 12 mm |
| Minimum rope diameter | 9,3 mm |
| Reference numbers | K0126BX00, K0126YX00 |
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