Durable, Lightweight & Strong - Rhino Carabiner Clips are crafted out of top-grade aerospace Aluminum 7075 while offering 12kN (2697 lbs.) of strength (2697 lbs. equals the total weight of a Black rhinoceros). Never rusts. Each Carabiner weighs only 1.02 ounces (29 grams) Saftey Screw Lock - Manual screw gate reduces the chance of open-gate failure. There is a smooth screw action on the locking mechanism. This carabiner has a compact palm-sized design to give the ability to be operated with one hand. All Purpose - Rhino locking Carabineers are suitable for: hammock, camping, fishing, hiking, backpack, paddle, traveling, swing, punching bag, dog leash, attach sports bottles, keychain, small travel tools, fix heavy object on a pickup truck. Not For Climbing. Quality Carabiner - Smooth lock and gate surface, you do not need to worry about scratching your hands;