Fits Pandorx charms/beads with a 4mm hole or larger. Material: Brass & Alloy Color：Bright Silver Plated Chain Diameter: 1/8"(3mm) Chain Length: approx. 16inch 40cm                       17-3/4inch 45cm                       19-3/4inch 50cm                                             21.6inch 55cm                                             23.6inch 60cm Quantity: 1pcs necklace as picture show.