About this item 4INCH HEAVY DUTY CARABINERS: Package includes 60pcs 3/8" Diameter large carabiners clips, allowing fastest connection/disconnection usages, widely used for chain connector, swing set, hammock, fitness, indoor outdoor equipment gear DURABLE STEEL CARABINER CLIPS FOR SWING: Snap hooks are made of durable zinc-galvanized steel with 1100lbs holding capacity, hard material, waterproof and rustproof, long service life for heavy duty usages SAFETY AND QUIKLY CHAIN LINKS: Spring sanp hook carabiner has strong structure and the open-auto-close spring gate with interlock tooth prevent forced opening by load, high safety and stable; The smooth opening and closing allows you easily to attach key-ring, DIY accessories, pet leash and water bottles LARGE CARABINER HOOKS: Overall Size: M10x100mm Carabiner Clip; Length: 4Inch; Diameter: 3/8”; Big size and easy to carry, perfect carabiner accessory for outdoor activities WIDE USED IN HOME DIY PROJECT OR OUTDOOR: Heavy Duty snap hooks perfect for swing set, gym, hiking, camping, indoor outdoor equipment gear; Also connecting items to a belt and any outdoor use versatile binding, rigging and anchoring hardware › See more product details