For Use In Rock/Ice Climbing, Rappelling, Rescue Swings, And Other, Black Product Features ?UIAA Certified Heavy Duty: This climbing carabiner is UIAA certified (Certification No.: USA 20-5611) with weight limit at 25KN (5620 lbs) for major axis, and at 7KN(1573 lbs) for minor axis and locking gate ?Auto Locking Caribeaners: these aircraft grade aluminum climbing carabiners are great for all activities like rock climbing, ice climbing, rappelling, rescue, swing, aerial yoga, camping and hiking etc. ?One Hand Operation: with the twistlock design, you can easily operate this rock climbing carabiner with one hand. With a simple twist to the barrel and push against the spring load, it will open. Once you release the spring load, it'll lock automatically immediately ?Super Lightweight: Weighs only 2 oz each, these ice climbing carabiners are prefect for minimizing the weight of your gear during any adventure ?Durable and Rustproof: Made of aircraft grade aluminum, you'll enjoy using these durable and rustproof large climbing carabiners for long time Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!