WELCOME TO ROXY GEMS 925 Sterling Silver Double Collet Ring, Plain Bezel Cup Round Close Blank Ring, Setting For Making Ring 3 MM To 7 MM, DIY Jewelry Supplies MATERIAL -:: 925 STERLING SILVER SIZE APPROX -:: 3 MM To 7 MM RING SIZE -:: 3 To 16 US COLOR -:: SILVER COLLET SHAPE -:: ROUND USE OF GEMSTONE AND JEWELRY YOU WILL RECEIVE ONLY 1 PIECE