General Description: These self-locking aluminum carabiners are designed for strength and convenience. With a 25 kN capacity, each carabiner can hold up to 2,500 kg, making them ideal for climbing, hiking, rappelling, and other outdoor activities. Made from aircraft-grade 7075 aluminum, these carabiners are durable and built to last. Technical Specifications: Material: 7075 Aluminum; Load Capacity: 25 kN (approximately 2,500 kg); Dimensions: 10 x 6 cm; Weight: 22 grams; Locking Mechanism: Secure screw lock mechanism; Textured safety nut to prevent accidental opening; Internal spring to automatically keep the gate closed. Applications: These carabiners are versatile and can be used in a variety of situations: they are perfect for attaching keys, flashlights, lanyards, hoses, water bottles, and other items. They can also be attached to a backpack or handbag for easy access.