[8 SETS GEMSTONE CABOCHON RINGS]: Including 4pcs oval vintage adjustable ring settings, 4pcs flat round adjustable ring settings, 4pcs oval turquoise gemstone cabochons, 4pcs flat round turquoise gemstone cabochons. [SIZE]: Oval cabochon bezel settings are about 17mm(0.67inch), tray: 18x13mm(0.71x0.51inch); flat round cabochon bezel settings are about 17mm(0.67omch), tray: 20mm(0.79inch); Flat round turquoise cabochons are about 20x6mm(0.79x0.24inch); oval turquoise cabochons are about 18x13x5.5(0.71x0.51x0.22inch)mm. [ALLOY AND SYNTHETIC TURQUOISE MATERUAL]: Ring settings are made of alloy, cabochons are made of synthetic turquoise, not easy to change color, hard to get rust, can be used for a long time. [EASY TO USE]: Simply drop a little of glue in the tray then set cabochon to make unique turquoise gemstone ring. You can use them with other jewelry findings to make fascinating and classic finger rings. [SWEET GIFTS]: Handicrafts made of cabochon ring settings for jewelry making can be great choice to make eye-catching gift to give to the person you love on Valentine's Day, Christmas, New Year or their birthdays.