Fujii Denko, Tsuyoron aluminum carabiners. Set of 3. Made of aluminum, so they are lightweight. These were attached to a safety belt (old standard). They cannot be used as fall arrest equipment (new standard). Please use these as sturdy carabiners at your own risk. There are some minor scratches, but overall they are in good condition. Please consider purchasing, understanding that these are used items. Carabiner Auto-lock