HOUSWEETY 10PCs Silver Tone Copper Adjustable Ring Blank Pad Base 18.3mm US8(Pad:10mm) Material: Copper(Lead ,Nickel and Cadmium Free); Main Colour: dull silver tone(not silver plated); Approx:Size 8;Hole size: 18.3mm Thickness: 1mm; Weight: 22g; Perfect findings for making jewelry.Every findings has its unique design and style and theme, hence the necklaces and bracelets made with them are unique and represent your own fashion.