This is for a Vintage, Shirt Collar Metal Buttons. It has about 2 3/4" chain connecting the two metal buttons. It is in great condition, but it does need a good cleaning. Please see pictures and contact if any questions and I will try to answer the best I can. NOTE: Don't forget to use your eBay shopping cart to combine items. Positive feedback will be left upon receiving positive feedback. Thanks for looking and be sure to check out my eBay store: Suspenders, Belts and More, for more wonderful items.