DIY Blank Dome Finger Rings Making Kit, Including Flower & Owl & Bowknot Adjustable Alloy Ring Settings, Glass Cabochons, Antique SilverSize: Alloy Ring Components: Flower with Oval Tray: about 17~21mm inner diameter, 4.5mm wide, tray: 29.5x26.5x1.5mm, 18x13mm inner diameter, 1pc; Bowknot with Oval Tray: about 17mm inner diameter, 5mm wide, tray: 18x13mm, oval: 18x20mm, 1pc; Oval: about 17mm inner diameter, 5mm wide, tray: 18x13mm, oval: 29x23.5mm, 1pc; Flower with Oval Tray: about 17mm inner diameter, 5mm wide, tray: 18x13mm, oval: 29.5x24.5mm, 1pc; Oval: about 17mm inner diameter, 5mm wide, tray: 18x13mm, oval: 30x23.5mm, 1pc; Sunflower with Round Tray: about 17mm inner diameter, 5mm wide, tray: 20mm, ring surface: 32.5mm, 1pc; Flower with Round Tray: about 17mm inner diameter, 5mm wide, tray: 20mm, ring surface: 31mm, 1pc; Flat Round: about 17mm inner diameter, 5mm wide, tray: 20mm, ring surface: 27mm, 1pc; Flat Round: about 17mm inner diameter, 5mm wide, tray: 20mm, ring surface: 28mm, 1pc; Owl: about 17mm inner diameter, 5mm wide, tray: 20mm, ring surface: 41.5x22mm, fit: 1.5mm, 1pc; Glass Cabochons: Oval: 8x13x4~5mm, 5pcs; Dome: 19.5~20x5.5mm, 5pcs.