Composition: This diminutive clutch is crafted from superior nickel-plated brass, designed to be inconspicuous while it robustly secures lock pins, ensuring they stay put. The choice of metal confers a wear-resistant and durable quality. Contents: Each pin clutch measures about 11.5 mm across and is contained within a transparent plastic case for orderly storage, with a sufficient quantity provided to replace any that are worn out or missing. Design Quality: The clutch backings are perfectly suited to a variety of metal pins, offering a solid grip that ensures pins remain affixed where placed. Their strong and safeguarding grip guarantees the security of your pins. User-Friendly: These backings are constructed with a spring-loaded closure for straightforward application and removal. Just press down to affix to the pin post and pull the trigger while holding the pin to detach. They are an effective substitute for standard rubber pin backs. Versatility: These metal pin backs are versatile, suitable for attachment to tie tacks and lapel pins needing new backings, as well as custom-made craft pins. They are also appropriate for the backs of various items like lapel pins, hats, tie tacks, name tags, toy pins, citation bars, and service bars.