VALYRIA 16.4ft Stainless Steel Links-Opened Cable Chains for Jewelry Making 3x2.5mm Material: Stainless steel(Lead and nickel free); Features: durable and fadeless Approx:3mm x 2.5mm;Hole size: 2.5mmx2mm Thickness: 0.5mm Lenght:5M(16.4ft) dull silver tone(not silver plated) Perfect findings for a variety of jewelry making.Every findings has its unique design and style and theme, hence the jewelry made with them are unique and represent your own fashion. Any other need you can contact us