3mm x 4mm Cable Chain. Sold by the foot. CH139 makes an excellent extender chain that's made from solid 316 stainless steel. Our 316 stainless steel will not tarnish or patina over time. It was originally designed to be used in body jewelry and on boats. It is designed to be worn for a long time without changing its appearance. Sold by the foot. Made from 316 stainless steel. 100% lead-safe. Super fast shipping for USA customers. Hurry while supplies last! Technical Specifications: Wire Gauge: Approximately 18–20 AWG (stainless steel wire) Inside Link Opening: Approximately 2.4mm (estimated from outer link size) Material: 304/316 stainless steel — waterproof, non-tarnishing, hypoallergenic Compatible Findings: Works with 4mm–6mm Jump Rings for attaching clasps or charms Pair with a Lobster Clasp (6mm–10mm) to finish necklaces and bracelets Use a Toggle Clasp for a decorative closure on heavier-link chains Design Ideas & Uses: Create delicate layered necklaces or a statement single strand Cut to length for bracelets (7–8 in) or anklets (9–10 in) Popular for permanent jewelry welding projects Attach pendants, charms, or bead drops directly to the links You May Also Like: Shop All Chains Curb Chain Collection Jump Rings Lobster Clasps All Jewelry Making Supplies