Sturdy and durable Made from 304 stainless steel for rust resistance, corrosion resistance, and wear resistance. Designed for longlasting durability even in humid air and harsh marine environments. Surface is polished to enhance safety and comfort during use. Heavyduty design and connection M12 heavyduty buckle with a maximum load of 2425 pounds (about 1.1 tons). Threaded end and hexagonal nut provide a firm, reliable connection. Oval hook quick connection ring is suitable for marine rigging and related applications. Wide compatibility and applications Ideal for backpacks, keychains, chains, and ropes. Also suitable for cars, swings, hammocks, home gyms, camping, hiking, sailing, hanging baskets, plant hanging, indoor and outdoor equipment, and DIY accessories. 304 stainless steel hooks perform well across these uses. Easy to use and secure Each connection ring includes a safety locking device to prevent accidental opening. Hexagonal nut and threaded end are designed to stay tight and prevent slipping. Quick and easy to operate; the nut locks for safety and reliability. Use scenarios Camping and hiking: secure hammocks or gear to lines and anchors. Marine or boating: rig lines and accessories on deck for reliable connections. Home and DIY: hang plants, baskets, or tools in the garden, balcony, or workshop.