300pcs Star Brooch Pin Backs for DIY Lapel Pins Badges Jewelry Making

Practical Drawstring Tightening Control & Inventory Arrangement Helper: Essential textile and bag metal hardware accessory for clothing manufacturers, bag workshop operators and hardware goods merchants. Realizes quick rope length adjustment via spring pin clamping design; densely stacked compact bulk packaging keeps spare pin locks neatly sorted for daily garment and bag assembly work and seasonal hardware supply restocking projectsThis set of pin backs are necessary parts of your uniform. It is made of high material for durable and practical to use. They can be applied to all lapel pins, tie tacks, citation bars, service bars and jewelry making, etc. It is suitable for jewelry making and DIY handmade projects. Rubber Pin BackFeatures-Color: Dark blue-Material: Rubber-Size: About 1.80X1.80X1.00cm/0.71X0.71X0.39inchNotice: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.

• Polished Metal Shell & Built-In Elastic Spring Pin Integrated Construction: Manufactured with seamless smooth metal outer casing and internal movable spring pin structure, stably clamps braided drawcords and elastic ropes to freely adjust tightness for hooded apparel, backpacks and fabric storage sacks
• Full Textile & Braided Cord Friendly Compatibility: Fully rounded smooth metal edges prevent snagging soft clothing fabrics and scratching woven drawstring surfaces, moderate clamping pressure will not leave permanent indentation marks on rope strands after long-term locked positioning
• Wide Universal Apparel & Bag Compatibility: Multiple inner hole diameter specifications fit hood drawstrings, sports backpack cords, outdoor pouch elastic bands and cosmetic bag ties, applicable to clothing production, bag manufacturing and daily textile hardware replacement matching
• Tool-Free Portable Compact Structure: Individual pin lock can be threaded onto drawstrings by hand without additional auxiliary installation fittings; idle spare pin locks can be stacked closely together to reduce storage volume inside hardware storage boxes and wholesale packing cartons
• Long-Lasting Daily Use Durability: Consistent uniform metal material retains sleek intact texture under prolonged indoor light exposure without uneven tone variation, reinforced spring pin connection stays flexible after countless tightening and loosening cycles for reliable repeated adjustment performance