Black Diamond Nut Keys These were used by my father, who loves mountain climbing. The purchase date is unknown. I am selling these to declutter. I am also selling other climbing equipment. I will do my best to offer a discount if you purchase multiple items. Please check the condition in the photos. There are rust and scratches from use. I will accept price negotiations depending on the item, so feel free to comment. When negotiating prices, it would be helpful if you could provide your desired price. Please purchase if you understand that these are used items. Please refrain from purchasing if you are sensitive to this. I can add more photos if you have any concerns, so please comment. I will ship within 48 hours. I will protect the tips before shipping. No pets, no tobacco smell.