Petzl GRIGRI is a high-performance assisted braking belay device designed for single ropes from 8.5 to 11 mm. It offers enhanced safety with an anti-panic handle that automatically stops the descent if the lever is pulled too far. The device features two usage modes – one for lead climbing and one for top-rope – making it ideal for both beginners and experienced climbers. Its robust aluminum and stainless steel construction ensures long-lasting durability. Perfect for climbing gyms, outdoor sport climbing, and intensive use.