Petzl Gray GRIGRI 3...
FOR ALL CLIMBERS: The GRIGRI is a belay device with assisted braking for indoors and outdoors. Designed for all climbers.
ROPE COMPATIBILITY: Can be used on all single ropes (8.5 to 11 mm in diameter) and optimized for 8.9 to 10.5 mm diameters.
LIGHTWEIGHT AND LONG-LASTING: Great durability for intensive use, thanks to the stainless steel wear plate. Weighs only 175 grams. Petzl