144-Piece Bar Pinback Glue On, 3/4-Inch, Silver Tone

Pinbacks can be glued onto any surface for an instant broach. Secure lock mechanism moves smoothly but stays in place once closed. designed so sharp point of pin will not jut out past lock. Secure lock mechanism moves smoothly but stays in place once closed. designed so sharp point of pin will not jut out past lock. total length is 3/4-inch (2 cm). 4.5mm wide and 6mm thick including lock. quantity: 144 pieces.