Description: Material: Made of Aluminum Alloy, with the characteristic of durability, corrosion resistance, and rust protection A quick lock/unlock mechanism: the twisting lock over the clip adds security and convenient for you to use D-shape Design: easy to hang a couple of bags together or clipping some casual gear onto your pack with the large weight capacity-700kg Great Replacement: The snap hook is a great alternative for the worn carabiner clips, and broken latch, coming with key ring attachments Wide Application: Fit for hiking, climbing, rappelling, kayaking, locking the hammocks chair, travel, window cleaning, backpack and etc. Specification: Material: Aluminum Alloy Color: Silver Size: 4.5x2in/11.5x5cm Weight Capacity: 700kg Package Includes: 1 x Carabiner Clip Note: How to Use It? 1. When Using Double-Ring 8-shape knot method, please do not use only one of the rope rings to fasten the belt, because the rope rings may be loosened during the tightened force. 2. If just one rope ring of double-loop 8-shape knot is needed as a connection, it is better to hang a lock on another rope ring and fasten it as a secondary protection so as to avoid the failure of the rope knot