Black Diamond BLACK DIAMOND Express Ice Screw 16cm, set of 2 The C inside the diamond mark indicates this is likely an older model. These were used by my father, who loves mountaineering. The purchase date is unknown. I am selling these to declutter. Please check the condition in the photos. There is some rust (see photo 5). I am open to price negotiations depending on the item, so feel free to comment. When negotiating the price, please provide your desired amount. Please purchase if you understand that these are used items. Please refrain from purchasing if you are sensitive to imperfections. I can add more photos if you have any concerns, so please comment. I will ship within 48 hours. No pets, no tobacco smell.