Aviation Aluminum Carabiner Auto-Locking - The dog collar incorporates a light weight automatic locking carabiner made of aviation aluminum for secure closure and durability. - One-handed operation: bend the barrel, press the latch, and it opens. Release and the carabiner auto-locks. - Designed for reliable performance and first-class quality for you and your pets. - Material and construction: aviation aluminum for strength and light weight. - Compatibility: intended for use with the dog collar system to provide a secure, convenient fastening solution. Thicker Climbing Rope - Rope specification: real polyamide nylon woven rope, 0.51 inch (13 mm) thick. - Comfort and feel: the rope is very soft and comfortable to hold, reducing hand fatigue during use. - Durability: thicker construction offers greater durability and strength compared with similar products. - Purpose: designed as a climbing rope style dog leash, providing a robust and reliable grip for walks, hikes, and training. - Construction quality: thicker and stronger than many comparable ropes, enhancing long-term performance. Use scenarios - Daily walks and city outings: quick one-handed attachment and secure auto-locking closure for convenient, safe use. - Hiking and outdoor training: the thicker 13 mm rope provides durability and a comfortable grip over longer sessions and more demanding terrain. - Travel and outdoor adventures: reliable attachment to collar or harness via the aviation aluminum carabiner, suitable for varying environments and conditions.