Why you need this connector Securely joins bead-style chains without tools, making repairs and assembly fast and precise Durable 304 stainless steel construction resists rust and maintains strength over time Electroplated surface provides a professional, consistent finish that looks good on finished pieces Key specifications Hole inner diameter: 4 mm / 0.16 inch Fit for bead necklace sizes: 3 mm / 0.12 inch, 3.2 mm / 0.12 inch, 3.2 mm / 0.12 inch Total Size: 11 Practical benefits Compatibility: Designed to accept common bead-chain diameters for reliable fit and minimal play Corrosion resistance: 304 stainless steel reduces risk of rust in everyday wear Appearance: Electroplated surface resists tarnish and keeps a professional look for display or sale Ease of use: Push the bead chain directly into the connection — no pliers or soldering required How it solves common problems Stops loose or broken bead chains from falling apart by providing a secure, matching connector Eliminates the need for specialized tools or techniques when repairing or assembling bead necklaces Keeps replacements consistent in size and finish for uniform product quality Typical use scenarios Repairing a broken bead necklace quickly so it can be worn again the same day Assembling custom bead-chain jewelry or pendants where a clean, professional connection is required Replacing worn connectors on badge chains, ID tags, or other bead-chain accessories Performance and care Long-lasting under normal use thanks to 304 stainless steel Minimal maintenance: wipe clean with a soft cloth to preserve the electroplated finish Specifications repeated for reference: Hole Inner Diameter: 4mm/0.16inch; Fit for Bead Necklace: 3mm/0.12inch, 3.2mm/0.12 inch, 3.2mm/0.12 inch; Total Size: 11.