Heavy Duty: Rated at 25KN, each heavy-duty aluminum carabiner can support up to 5,500 lbs in weight, giving you added security and utility when climbing, hiking, rappelling, rescue, etc. Designed for safety: The textured safety nut prevents the carabiner from accidentally slipping up while reinforcing the resistance of the door. Convenient and easy to use: each carabiner measures 11 x 6 cm. Its compact design makes it convenient and easy to carry. High quality design with threaded nut on the locking latch. It’s easy to connect to a safety belt and protective tools. Built to Last A Lifetime: Crafted from high-grade 7075 aluminum, this carabiner is incredibly durable and built to last. In other words, you can load them with keys or attach them to a heavy bottle without any worries! Multi-function gadget: CE certification, A top quality manufactured carabiner for you. Carabiners are perfect for daily life, attached to backpack or handbag to hang keys, flashlight, cords, ropes, hoses,