Does it need an introduction? The GRIGRI sets the standard for belay devices. In the gym or at the crag, it makes belaying easier with cam-assisted blocking. Equipped with an ergonomic handle, providing easy control for a smooth and comfortable descent for the climber. Compact and lightweight, it can be used with single ropes from 8.5 to 11 mm. Perfect for working your project! Features: Belay device with cam-assisted blocking, designed for the gym and crag: Feeding slack and catching falls are accomplished using standard belay techniques, always keeping a hand on the brake side of the rope Cam-assisted blocking for a more comfortable belay: when the climber falls or weights the rope, it tightens, making the cam pivot to pinch and block the rope Cam-assisted blocking offers leeway for the brake-side hand position, regardless of the angle between the climber side and brake side of the ropes Rope installation diagram engraved on both the inside and outside of the device Comfortable and convenient when lowering: The ergonomic handle allows you to easily unblock the rope and lower someone Progressive control of rope feed provides a smooth and comfortable descent 3:1 mechanical advantage of the handled camming mechanism helps control rope feed on small-diameter ropes and requires less effort on the handle for large-diameter ropes Intended for all users: Simple to use for belaying both lead and top-rope climbers Optimally balanced design: lightweight (175 g), compact, and durable Compatible with 8.5 to 11 mm dynamic single ropes and optimized for those 8.9 to 10.5 mm Specifications Weight: 175 g Rope compatibility: 8.5 to 11 mm single rope Material(s): Aluminum side plates, stainless steel cam and friction plate, reinforced nylon handle Certification(s): CE EN 15151-1, UKCA, UIAA