ตัวชะลอความเร็วตก ค้างตัว อุปกรณ์ ปีนเขาโรยตัว ปีนหน้าผา petzl GRIGRI Belay device with cam-assisted blocking

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