ZTWEDEN 70 Count Pin Backs Locking Pin Keepers Pin Locks Metal Locking Clasp No Tool Required Locking Pin Backs Keepers

Package included: 70 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.