High-strength aluminum carabiners, perfect for mountaineering and climbing. Available in screw, auto, and HMS types. They haven't been used much, and the HMS ones are almost new. Please purchase climbing equipment only if you understand that it is at your own risk. - Brand: roc'teryx - Color: Black - Color: Red - Model Number: A2440-1210/2T - Model Number: A2440N-1210 Thank you for looking.