Brooch Pin Backs 100pcs 15 20 25 30 35mm 5 Colors Brooch Clip Base Pins Blank Safe Lock Pin for DIY Jewelry Making Findings for Craft Making(Gumblack,15mm)

Universal Usage Tips: Attach the clasp to your item by sewing or gluing through the mounting holes; fasten the pin securely before wearing; store in a dry area when not in useMaterial : MetalSize : 15mm,20mm,25mm,30mm,35mmNotice:1.1cm=10mm=0.39inch.2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering.3.Please understand that colors may exist chromatic aberration as the different placement of pictures.

• Smooth Surface Structure: Designed with a polished and even surface that minimizes snags on fabrics and clothing, allowing comfortable wear without damaging delicate materials during daily use
• Secure Locking Mechanism: Designed with a dependable locking structure that stays closed during wear, reducing unwanted opening and keeping attached items firmly in place
• Practical Flat Base Design: Features a flat back with small mounting holes, allowing easy attachment by sewing or gluing to fabric, badges, name tags and other craft surfaces
• Wide Craft Compatibility: Works well for a variety of uses including brooch making, ribbon attachment, name tag securing and different handmade jewelry and DIY craft projects
• Sturdy Metal Build: Made of durable metal material with a smooth surface, standing up to frequent use while helping avoid snags on fabrics during regular wear