Description: Red Copper Plated Adjustable Ring Blanks Adjustable Blank Rings with Crown Frame and Oval Settings Trays Adjustable Ring Base Fits Nearly Every Finger Ring Blanks for Jewelry Making Turn your favorite Cabochons, Cameo, Charms or Beads into rings easily with these solid ring findings, you will be more beautiful and confident!S Specification: Material: Copper Approx. size: 26 x 21 x 19mm / 1.02 x 0.83 x 0.75inch, Cabochon Frame size - inner Size 25 x 18mm / 0.98 x 0.71 inch Package Includes: 10 Pieces Adjustable Ring Blanks