ADVANTUS-Tim Holtz Idea-ology: Custom Fasteners. Custom Fasteners are metal brads that can be customized by adding the included image stickers and epoxy stickers. Each package includes two sizes of brads (1/4- and 1/2-inch diameters) plus an assortment of vintage- inspired stickers. Complete package contents include twelve large brads, twelve small brads, forty-three image stickers, and forty- three clear epoxy stickers. Assembly required. Imported.