Material: Constructed from high-quality, nickel-plated brass, this compact clutch is unobtrusive while securely locking pins in place. Its metallic composition ensures durability and resistance to wear. Packaging: The clutches are roughly 11.5 mm in diameter and come neatly packed in a transparent plastic case, ensuring organized storage. The provided quantity is ample for replacing any that are damaged or misplaced. Design: These clutch pin backs are designed to complement most metal pins, offering a reliable grip to ensure the pin remains fixed. Their robust and secure hold means you can confidently wear your pins without fear of loss. Usability: Equipped with a spring-activated mechanism, these pin backers are straightforward to attach and detach. Press them onto the pin post for a secure hold and simply pull the trigger while holding the pin to release. They serve as an excellent substitute for traditional rubber clutches. Applications: Ideal for replacing lost tie tacks and lapel pin backings or for use with custom craft pins. They are also suitable for securing lapel pins, hats, tie tacks, name tags, toy pins, citation bars, and service bars, among other items.