Metal Clock Keys by Tim Holtz Idea-ology, 4 per Pack, Various Sizes, Antique Finishes, TH93014 Package of 4 metal Clock Keys with fasteners 2 Nickel, 1 brass and 1 copper Sizes range from 3/4 to 1-3/4-Inch Made of 100-Percent metal By designer Tim Holtz Idea-ology