Made of material, each mini screw comes with a circular eye opening at the can slide in a string for a beautifully luxurious new necklace or bracelet. Also you can small items to make a unique key chain. It is suitable for jewelry craft making. Feature - Color: Silver. - Material: Metal. - Size: 1 * 0.45cm/0.39 * 0.18inch(L*W). - Each mini screw comes with a circular eye opening at the can slide in a string for a beautifully luxurious new necklace or bracelet. Also you can small items to make a unique key chain. - Excellent size for suspending small items from delicate necklaces, bracelets, anklets. It can even be used for suspending balls for science projects and dioramas school projects easily and securely. - These screws are the perfect size as they a big impact on your projects without detracting any attention you might want elsewhere. Great for DIY jewelry, hanging photos or other documents, clay sculptures and so on. - Suitable for jewelry craft making. - Great for mini corked bottle charms, ornaments, earrings. Package list: 500 * Mini Screw Eye Pin Peg Jewelry Making Findings for Crafting