CocoX 30 Pieces Golden Metal Pin Backs Locking Clasp Pin Keepers Backs, No Tool Required, Locking Pin Backs Keepers

Package included: 50 count pin backs.  Dimension: Top diameter is 7mm and the bottom is 10mm, height is 6mm. Usage: Great for use in display books, on lanyards, bags, vests, badge, hats, pins,name tags. Easy to Use: It can match your clothes easily, enhance your art taste. Easy on-off action, more convenient to remove and lock. Made of durable nickel-plated copper material, more useful. It can keep your pins safe.  Safe alternative pins keepers: pin backs provide your replacement to the torn screw or wrench locking machismo; keep your objects in place during important moments. Pin backs locking clasps are made of nickel-plated copper durable, smooth surface, sturdy and lock your pins firmly to keep them secure. No tools required: easy on-off action, spring loaded fastener simply need you to use one hand to handle it. Warm Note: These pin backs are not suitable for a lightly thick jackets.