32Pcs 2 Colors Alloy Locking Pin Backs, Locking Pin Keeper Clasp, Cone Shape, for Brooch Finding, Platinum & Golden Size: Alloy Locking Pin Backs: about 7mm in diameter, 10mm long, 2 colors, 16pcs/color, 32pcs; PP Bead Storage Containers: 5.5x5.5x2cm, Inner Diameter: 5.1x5.1x1.6cm, 1pc.