Black Diamond stoppers. Set of 13. There are two of some sizes, please see the list below. They show some signs of use, but as far as I can tell, there are no breaks. All are made by Black Diamond and have the C mark inside the diamond. #13 x 1 #12 x 1 #11 x 1 #10 x 1 #9 x 1 #8 x 2 #7 x 2 #6 x 2 #5 x 1 #4 x 1