Thank you for viewing. This is a set of 11 Black Diamond stoppers. The breakdown is as follows: 1, 2, 5 x 2, 7, 8, 9, 10, 11, 12, and 13, for a total of 11 pieces. Sizes 3 and 4 are missing. The smaller sizes have been used quite a bit. Please check the photos. - Quantity: 11 pieces - Color: Multicolor (purple, blue, green, red, yellow, etc.) - Material: Steel wire and aluminum - Type: Nuts (protection devices) - Usage: For mountaineering and climbing #BlackDiamond #Stoppers #Nuts #Climbing #CrackClimbing