Jewelry makers and small business owners, this 80-pack of black steel necklace cords is seriously perfect for creating professional-looking jewelry without the hassle of stringing everything yourself! Each cord is 17.5 inches long - that perfect choker length that sits nicely on most necklines. The 1mm thickness is substantial enough to feel quality but not so thick that it looks bulky. What's really clever is the brass screw clasp design - just gently twist to open, put it on, then tighten securely. No more struggling with tricky lobster clasps or worrying about necklaces coming undone accidentally. The stainless steel construction means no tarnishing or skin reactions, which is crucial for jewelry that sits against the skin. The 14.5mm inner diameter gives you plenty of space to add pendants, charms, or other decorative elements. At 80 pieces, you've got enough to create an entire jewelry collection, stock your Etsy shop, or make gifts for everyone you know. The matte black finish is versatile enough for everything from gothic styles to minimalist fashion. The quality is noticeably better than cheaper alternatives - the steel has some flexibility without kinking permanently, and the clasps operate smoothly without sticking. Whether you're a professional jeweler or just enjoy DIY projects, having these ready-made bases saves so much time and frustration compared to starting from scratch with loose chain and separate clasps.