Available in gold and silver color. This accessory can be apply to tie tacks, badge insignia, citation bars, service bars and used in jewelry making. A brass material. Pins size: 10 mm in diameter, 9 mm in length.Clutch backs size: 11 mm in diameter.Package includes 50pcs Tie Tacks Pins with clutch back.**Different computer display colors differently, actual item color may slightly vary from the images.Thanks for your understanding.