Made from premium, durable zinc die-cast material ensure heavy duty use and longer life service Zin-plated finish for higher rust and corrosion resistance in any condition The hook is a best fastener, has strong tensile force, reliability and excellent fixed function Trigger clip clasp can be rotated 360° to prevent tangles With D-ring bracket, heavy and sturdy rotating eye, extra wide eyelet and strong load-bearing capacity Swivel snap clips can be used for keychains, dog leashes, cat straps, slings, diving hooks, camera belts, bag straps, etc.