Grivel Master Pro Belay Device bis_hidden Slender hull with maximum waterline

Slender hull with maximum waterline for maximum speed

One-hand blade No

Suggestions on sizing when your measurements cross into different size categories

this is the ultimate sock for long or multiday high mountain and winter expeditions

Advanced Formula

Grivel Master Pro Belay Device bis_hidden Slender hull with maximum waterlineA versatile belay rappel device, that can also be used in guide mode Overview The Grivel Master Pro was created for belaying and rappelling. It is a versatile, dynamic and reliable tool to minimise the force transmitted to the anchors, the belay and the wear and tear over time of the rope. It can also be used in guide mode as a self locking plate, to belay a second. The two "horns" that are placed at one of the two ends have two main functions: