50pcs Metal Pin Backs
Package Includes: Each package comes with 50 pieces metal locking pin backs.
Material: These pin backs are made of nickel-plated brass, small and sturdy, strong and durable.
Size: The butterfly clutch has a diameter of 11.5mm/0.45in and a height of 5.8mm/0.23in.
Easy to use: Simply push to secure onto pin post and pull the trigger while holding onto your pin to release; Easy to install and remove.
Application: These pin clutch backs can be applied to lapel pin backs, hat, tie tacks, name tag, toy pins, badge insignia, citation bars, service bar, jewelry replacement etc.