Heavy Duty: Rated at 25 KN, each heavy-duty aluminum carabiner can hold up to 5,500 lbs of weight, giving you extra safety and utility when climbing, hiking, rappelling , rescue, etc. Designed for safety: the textured safety nut prevents the carabiner from slipping accidentally while reinforcing 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 seat 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 problem! Multifunctional 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, canister and other items.