• THREADED POST & BUTTERFLIES •Create secure stud earrings with the 925 sterling silver threaded post & butterflies set, a complete pairing of threaded earring posts and matching screw-on butterfly backs for enhanced stability and loss prevention. The set includes notched, threaded posts that screw into heart-shaped backs with internal threading, providing a twist-on lock that's more secure than standard friction grips. Crafted from ethically sourced solid 925 sterling silver, the threaded post & butterflies offer hypoallergenic reliability and a subtle heart motif, ideal for jewellery makers designing custom studs, convertible earrings, and high-end pieces where extra security and style are essential. • KEY POINTS •[Solid 925 sterling silver][Polished finish][Ethically sourced precious metals][Lab certified] • MORE INFO •The threaded post & butterflies ensure a firm, adjustable fit by screwing the heart-shaped back onto the post's threads, preventing accidental removal while allowing easy assembly without tools—perfect for active wear or valuable gems. Their compact design and heart detail add a subtle, decorative element suitable for various stud sizes. Our jewellery findings are half hard, meaning they have a medium grade ductility. This balance of strength and flexibility makes them ideal for high quality, durable, and professional designs. The high tolerance of our findings ensures reliability and consistency in all types of workmanship. • METAL SPECIFICATIONS •[Sterling Silver][Density: 10.39g/cc][Melting Range: 805–890c][Hardness HV (Vickers): 70][Annealing Temp: 400c][Hallmarked: Yes] • USAGE & APPLICATIONS •Perfect for beginner and professional jewellery makers, our sterling silver threaded post & butterflies set is ideal for crafting diamond studs, pearl earrings, gemstone posts, or hypoallergenic designs. Their screw-on mechanism and heart-shaped backs make them suitable for bridal jewellery, children's pieces, or styles requiring maximum security. Whether creating fashion accessories, personalized gifts, or secure everyday wear, this high-quality set provides twist-lock stability, elegant detail, and a professional finish for every handmade earring creation.