![GRIVEL – MASTER PRO [Summer 2013] GRIVEL – MASTER PRO [Summer 2013]](https://www.mountainblog.eu/wp-content/uploads/2013/05/pro-small1.jpg)
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- A single device for belaying the leader, one or two seconding climbers and for rappelling.
- Extra friction ‘V’ slots add more control and smoothness during maneuvers.
- When belaying seconds, can be used as an assisted speed control belay
- Can also be used as an ascender
- Cooling Technolgy inner holes allow more airflow therefore less heat build and a lighter object. It also gives easier access to remove snow/ice and mud.
- Weight: 89 grms. 3,1 ozs
- Technical features