Elevate your climbing experience with this versatile 4KN ascender designed for 8-12mm ropes. Made from durable aluminum magnesium alloy, this belay device boasts a bearing capacity of 900lbs and comes in both left and right-hand options with vibrant orange and blue accents respectively. Measuring at 19.5 * 9.1cm, this ascender is perfect for rock climbing, tree arborists and rappelling enthusiasts. Whether you're a seasoned climber or a beginner, this SUT-branded product is a must-have addition to your climbing gear.