SANJAOYEE Pin Badge Clasp, Company Badge, 11mm Diameter, Butterfly Clutch, Set of 50 (Silver)

[Small Size] The pin back has a diameter of 11 mm and a height of 7 mm. It's sturdy and lightweight, and locks the pin securely for safety. [Excellent Material] Made of durable copper, placing the pin on the metal pin backing securely fastens the item. [Easy to Use] The butterfly clutch has a spring fastener plate, making it easy to install and remove. [Widely Used] The needle back is suitable for all collar pins, tie clips, badges, badge bars, and jewelry replacements. [No Tools Required] The butterfly clutch with spring fastener plate is easy to install and remove, making it easy to use.