Crimp Cover 3mm Gold Plated Per 10. Open cover in, Gold plated metal, to close around a crimp or a knot to conceal it. Diameter when closed approximately 3mm. Sold per 10. Here at Jillybeads we understand that some beaders can be a bit reluctant to buy online so if that’s you, give us a call as we are always more than willing to take your order over the phone, or even add an addition onto your existing order. We like to make your shopping experience as simple and easy as possible!