• High-quality material: Made of galvanized carbon steel, these carabiners are ultra-durable, lightweight, rust-resistant, and wear-resistant. • Automatic locking: The screw lock design allows you to easily lock and unlock the carabiner by turning the screw. • Multifunctional and versatile: Perfect for activities such as camping, fishing, hiking, and traveling. They can also be used as keychains or backpack fasteners. • Convenience: Compact and functional design that allows for one-handed use, preventing items from falling unnecessarily. • Dimensions: Each carabiner measures 8 cm in length, 4 cm in width, and 0.8 cm in height, with a net weight of 63 grams per piece.