30PCS Locking Pin Backs Locking Pin Keepers Clasp Metal Pin Locks Back

[Easy to Use] No tools required, spring loaded latch design for easier locking and removal, just push the base to lock and secure them, pull to release the lock and remove it. change your pins whenever you want.

10Pcs Brooch Pin Safe Keepers Pin Locks Locking Pin Backs With Wrench Tools K3ND

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Chic Gold And Silver Brass Tie Brass And Tacks With Locks Clasp Keepers From Caikui, $9.82

Made of top-class metal.Sturdy construction and smooth surface. Spring Loaded fastener for easier on-off action without need a tool. Keep your pins safe.Metal back pin keepers for your needs. Adopted military standard design, suitable for most pins (pins), suitable for pins with diameter of 1.0mm-1.1mm Ideal for pins, name tags, displaying books, lanyards, bags, vests, hats, badges, lapel, and jewelry, etc. op Diameter:7mm/0.28 Inches. Bottom Diameter:10mm/0.39 Inches.

LQ Industrial 12pcs Metal Locking Pin Backs Clasp Bulk Pin Keepers for Name Tags Displaying Books Disney Pins Silver

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10pcs Locking Pin Backsbrass Locking Clutch,pin Keepers,white K Pin Back

SUBANG 40 Pieces Pin Keepers Pin Locks Pin Backs

10mm X 7mm Silver/gold Locking Pin Back Fastening Clasp Badge Back Clasp for Hooks, Art Craft, Name Tags, Jewelry Making, Badges, Jackets