Petzl® Roll Module is an articulated protector with rollers used to guide a moving rope and protect it from abrasion. Vertical and horizontal rollers guide the moving rope with a minimum of rubbing. Each module can be positioned independently to adapt to the terrain. Modules are connected with quick links and the number of modules can be varied according to the terrain. Sold as a kit which includes 4 modules, 6 quick links and carry bag.