Materia: Brass Size: Length:42mm (1.65 inches)/ Pin diameter: 1mm (0.04 inch) Weight: Product features: Head pins fitting most jewelry and crafts. Great for making small connector or make your own beaded chain, can be used to make earrings, necklaces, bracelets, etc. 42mm long, can be cut as needed If some head pins are bent,you can straighten them with tools or hands Note: Small parts, please keep them far away from children under 3 years old. Package includes:300pcsx head pins Color: Gold