MECCANIXITY 40 Pcs Metal Locking Pin Backs, Locking Pin Keepers Clasp 5mm(H) with 4 Wrench Replacement in Storage Case for Badge, Brooch, Black Tone

About this item

• These pin backs locking pin keepers are made of copper, with a smooth touch and can be locked without the need for tools. The sturdy structure can firmly lock your pin, ensuring long-term use, reducing wear and tear, and not easily falling off. Suitable for pins, nameplates, display books, ornaments, hats, badges, etc.
• This Locking Clasp is in size of:; Diameter: 6mm/0.23 inch; Height: 5mm/0.2 inch; Hole Diameter: 2mm; Thread Specification: M3 x 0.5; Color:Black; Material: Copper; In the Package of: 40 x Pin Backs, 40 x Screws, 4 x Wrench
• This Pin Backs is compact and easy to carry, sturdy and durable, suitable for various occasions, easy to use, and can keep your lapel pins without tools, badges, and brooches securely in place.
• First, choose the appropriate size to ensure that the selected position will not damage the structure of the clothing or item. Using wrench and screws to lock it.
• Due to manual measurement, please allow 1-2mm error.