JJUNW 50PCS Needle Back Lock, Locking Pin-Backs Locking, Pin Keepers Clasp Metal Pin Locks Back for Brooches Enamel Lapel Pins

Package List: 50 pcs back lock pins

Material: Zinc alloy

Color: Silver

Product Dimensions (cm): Top diameter 1cm/0.4 inch, Bottom diameter 0.6cm/0.24 inch, Height 0.6cm/0.24 inch

The back lock pins are durable and sturdy, unique snap design, locks your needle securely. Keeping them secure will not fall off or get lost.