Packing: 20 mini Screw Eye Pins Silver Size:4x8mm. Material: The eye hook is made of metal. Hooks Eyelets Screw Threaded for Jewelry Making Easy to use: The tip of the mini eye needle can easily pass through the object. Each mini eye screw has a round eye hole at the top. You can easily slide the rope into the hole to make your own delicate and personalized jewelry crafts.