These premium locking pin backs are made of durable nickel-plated copper with a secure spring-loaded locking mechanism designed to keep your enamel pins, lapel pins, badges, and name tags firmly in place. The strong grip helps prevent pins from falling off or getting lost during daily wear, travel, events, or outdoor activities. Easy to install and remove without tools, these metal pin backs are perfect for backpacks, hats, jackets, lanyards, display books, DIY crafts, and pin collections. Compact, lightweight, and compatible with most standard pin posts, they are an ideal accessory for collectors, artists, and everyday users.

No tools required. Simply push the locking pin back onto the pin post to lock it firmly, then pull the base for fast removal. The smooth locking clasp design makes changing enamel pins, tie tacks, and brooches quick, safe, and convenient.

Made of high-quality nickel-plated copper, these locking pin backs are durable, rust-resistant, lightweight, and built for long-lasting use. The strong metal construction securely holds enamel pins, lapel pins, badges, and name tags without slipping or falling off.

Upgraded spring-loaded pin back locks feature a powerful grip and unique snap design to keep your pins safely in place. These metal pin backs help prevent lost pins on backpacks, hats, jackets, lanyards, vests, and display boards during daily wear or travel.

These pin keepers are compatible with most standard pin posts and are perfect for enamel pins, lapel pins, tie tacks, badges, brooches, name tags, display books, backpacks, hats, jean buttons, jewelry making, arts and crafts, and other DIY projects.

Includes 40PCS locking pin back,lightweight, and easy to store or carry, these pin back replacements are ideal for collectors, pin lovers, and everyday use.

Compact size of approximately 0.4 inch (1 cm) diameter and 0.26 inch (0.7 cm) height

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