The Sutekus lightweight aluminum mountaineering multifunction tool is a game-changer! Based on our own experience, this tool is versatile, compact, and durable. It comes in handy for a variety of tasks including rope management and emergency repairs.The lightweight construction makes it easy to carry, and the durable aluminum body ensures that it can withstand the harshest climbing conditions. The only con we noticed is that it can take some time and practice to master all of the FEATURES. But, once you get the hang of it, this tool is an essential piece of equipment for any climber..