s. please check the pins you're buying to confirm how many posts they have. this item is an add-on and can only be shipped with other items.
Disney Locking Pin Backs for Pin Trading, How to Use
LOCKING PIN BACKS — HELLO SUNSHINE
10-30pcs Backs Locking Pin Keepers Badge-Pin Locks for Lapel
Locking Pin Backs Upgrade Pin Clasp Silver Pin Back Gold Pin Back Black Pin Back Rose Gold Pin Back Enamel Pin Back Pin Clutch
Contains 10 pin backings that lock pins into place., To remove: The backing has a spring lock on the top cap. Pull top cap to unclamp and then remove
Set of 10 Locking Pin Backs
16 Locking Pin Back Metal Keeper Replacement Uniform Badge Backing Holder Clasp
Deluxe Locking Pin Back for Enamel Pins (Set of 2) – The Gray Muse
Locking Pin Backs, Metal Pin Locks, Pin Back Clasps, Back Metal Pins, Replacement Pin Backs for DIY Craft, Clothing, Brooch, Badges
10mm x 7mm Locking Pin Backs for Fastening Clasps - 10pcs
Shop Generic 24x Safety Metal Pin Backs Locking Pin Keepers Clasp
Locking pin back
Pin Backs Selizo 84pcs Locking Pin Backs Lapel Push Pin Keeper
defect 7mm length pin keepers locking pin back savers jacket hat disney military
Locking Pin Back Locking Pin Keeper Clasp Metal Pin Backing - Temu