Biaungdo Brooch Pin Back Set, 100 Pcs, 4 Sizes (20/25/35/45mm), Silver

Upgrade your crafting toolkit with this Brooch Pin Back set, thoughtfully arranged in 4 essential sizes to handle projects of every scale. Each pin is made from sturdy iron with a polished silver tone finish that resists tarnishing, providing a reliable base for your creative works. The secure locking clasp is engineered for confidence. A spring-loaded mechanism snaps the pin tip into place and holds it firmly, reducing the risk of accidental detachment during daily wear. This design makes the pins especially suitable for name tags worn in busy environments or cherished brooches worn on coats and scarves. Installation is straightforward thanks to the pre-drilled holes on each flat backplate. You can sew the pins directly onto fabric, attach them with adhesive to resin or epoxy creations, or fix them onto badge holders. This flexible approach suits a wide range of materials and project types. Whether you are making handmade brooches, customizing event badges, crafting wedding boutonnieres, or working on DIY gifts, this set provides the essential hardware you need. The mixed sizing means you can match the pin length to the weight and size of each piece, from lightweight fabric badges to heavier resin ornaments. Product Specifications: Material: Iron with Silver Tone Plating Color: Silver Total Quantity: 100 Pieces Size Breakdown: 20mm (0.79") - 35 Pieces 25mm (0.98") - 25 Pieces 35mm (1.38") - 20 Pieces 45mm (1.77") - 20 Pieces Includes: 4 Size Metal Bar Pins with a Transparent Plastic Storage Box Ideal For: Jewelry Making, Name Tags, Badges, DIY Crafts, and so on

• Sturdy Metal Build for Lasting Use: Each brooch pins is crafted from high-quality iron with a polished silver tone finish. The rigid metal structure resists bending and warping, while the rust-resistant plating keeps its bright appearance over time. This set provides a solid foundation for all your jewelry and badge projects.
• Secure Locking Clasp for Worry-Free Wear: Each safety buckle brooch is equipped with a spring-loaded safety pins clasp mechanism. The pin tip locks firmly into place with a gentle push and stays secured until you intentionally release it. This reliable design prevents accidental openings, keeping your badges and brooches safely attached throughout daily activities.
• Easy Attachment with Pre-Drilled Holes: These brooch backs feature a flat backplate with 2-3 pre-drilled holes, offering flexible mounting options. Sew them onto fabric projects, apply with strong adhesive to resin or epoxy pieces, or attach directly to badge bases. The straightforward design saves time and effort for both beginners and experienced crafters.
• 4 Practical Sizes for Every Project: This set includes 4 commonly used lengths: 20mm (0.79"), 25mm (1"), 32mm (1.26"), and 38mm (1.5"). These bar pins and brooch clasp pins cover everything from delicate mini brooches to larger statement badges. The organized mix ensures you always have the right size ready when inspiration strikes.
• Versatile Across Crafts and Occasions: These pin backs are ideal for handmade jewelry, custom name tags, wedding corsages, award ribbons, clothing embellishments, and general DIY crafts. Whether you run a small jewelry studio, plan events, or enjoy weekend crafting, this set adapts to your needs across a wide range of creative applications.