SUPERFINDINGS 90Pcs Brass Butterfly Clutch Tie Tacks Brooch Pin Backs Replacement Metal Locking Pin Backs for Craft Making Lapel Pins Jewelry Making 8x4.5mm

90Pcs 3 Colors Brass Lapel Pin Backs Blank Pins, Tie Tack Pin, Brooch Findings, with 90Pcs 3 Colors Brass Lapel Pin Back Butterfly Clutches and Brass Brooch Base Settings, Mixed Color Size:Brass Lapel Pin Backs Blank Pins: 8mm long, 4.5mm in diameter, pin: 1mm, 3 colors, 30pcs/color, 90pcs; Brass Lapel Pin Back Butterfly Clutches: 11x5.5mm, hole: 1.2mm, 3 colors, 30pcs/color, 90pcs; Brass Brooch Base Settings: 10x9mm, 3 colors, 30pcs/color, 90pcs.

• 90Pcs: This set of metal pins includes 3 colors silver gold and platinum total 90 blank pins with a diameter of 4.5mm and a length of 8mm, as well as 90 butterfly clutch backs with a diameter of 11mm
• Material: Crafted from high-tensile brass with coating, these lightweight yet robust pin backs deliver military-grade security for badges and accessories. The perfect restoration solution for missing or worn-out fasteners
• Convenient: These precision butterfly clutch backs incorporate spring-activated fastening technology for quick, tool-free installation and removal. The intuitive dual-trigger release system operates seamlessly: insert your pin until it clicks, then gently squeeze the winged tabs to detach. A perfect blend of secure hold and instant convenience
• Application: Designed for jewelry artisans, craft enthusiasts, and badge manufacturers, these multi-purpose fasteners deliver reliable performance across all creative and professional projects. They also function as premium-quality replacements for missing or damaged pins
• Reliable: Engineered for maximum grip strength, these clutch backs firmly anchor pins in position without slippage. The universal pin-hole design accommodates diverse pin diameters while maintaining vibration-resistant stability across all applications