304 Stainless Steel Pin: High quality 304 stainless steel, safe and skin-friendly, offers excellent corrosion resistance, durable and sturdy. Resistant to oxidation and discoloration, maintains a bright and shiny appearance with minimal maintenance. Large Quantity: Package includes 500 or 1000 ball head jewelry pins. Each pin is approximately 40mm or 50mm in length, 0.7mm (21 gauge) thick, with a 2mm ball head. Ideal size for creating small dangles. Ample quantity for various craft and jewelry making needs. Easy to Use: Thread beads onto the straight end, then use pliers to bend the end into a loop to connect to other jewelry components. A basic and essential finding for beginners and experienced jewelry makers. Wide Usage: Suitable for making small connectors or custom beaded chains. Works well with beads, jump rings, and connectors for crafting dangles, ornaments, hair accessories, corsage pins, and other decorative items. Jewelry Making Pin: Ideal for dangle earrings, pendants, necklaces, bracelets, anklets, beaded links, chain connections, and various other jewelry projects. Practical and easy-to-use findings that simplify the design process. Specifications: 1000 pieces of 4cm pins or 500 pieces of 5cm pins Color: As shown Material: Stainless steel Package Contents: 1000 x Headpin or 500 x Headpin Note: Light reflection and differences in display screens may cause slight variations in color. Measurement error allowed is +/- 1-3cm.