The Kong Ascenders are devices used in climbing scenarios either for the ease or for safety. They are popularly used in activities like climbing, caving, mountaineering, rope access, sail boats, tactical rescue, mountain rescue, fire brigades, civil protection, tree climbing, and arboriculture. The ascenders have a simple structure and are generally used in pairs for a convenient ascending mechanism. One ascender always remains free for upward motion, while the other bears the climber’s weight. The Kong Ascenders are CE certified and conform to health, safety, and environmental protection standards. You can take your pick from the general or usage specific ascenders according to the use and the thickness of the rope they support. These devices are generally made of aluminum alloy and stainless steel and have a cam that blocks movement in one direction while allowing it in the other.