Metal Pastel Brads can be used to fasten multiple layers of materials, photos, cards, and scrapbooks to create more interesting works!SpecificationColor: BlackMaterial: MetalTotal length: 15mm/0.6 inchNail head diameter: 8mm/0.32 inchPacking List: 100 Pcs Brad FastenersAdvantageReliable Material: Mini brads are made of metal material with plating on the surface, reliable and smooth in color, corrosion resistant, and not easy to break, with a special split pin design for easy use.InstructionSteps of installation:1. Punch a hole in the thing you are making. 2. Poke the brad through the hole. 3. Separate Brads two feet and fasten them.NOTE: Please make sure of the size before you buy for your projects.