• Small Size: Pin backs diameter is 11 mm, 7 mm in height. Sturdy and light, lock pins firmly and keep them secure
• High Quality Material: Made of durable nickel-plated copper. Put the pin in the metal pin backing, your items will keep pinned securely
• Easy to Use: Butterfly clutch with spring fastener slices allow you easy to install and remove, handy and convenient for use
• Widely Application: Pin clutch backs good for all lapel pins, tie tacks, badge insignia, citation bars and jewelry replacement
• Package: Pack in the metal box easy to carry, including 50pcs pin backs, keep your brooch/ badge safe