Item Type: Ring Blank Support Material: 45 steel Product style: long type Product size: Approx. 20 x 35mm / 0.8 x 1.4in Package List 1 x Ring Blank Support Please allow error due to manual measurement. Thanks for your understanding. 1Observation: Our ring blank supports easily hold naked stone, which are easy to wear for observation and inspection, and are very useful stone tools. 2Visually: As a display tool, our ring spring prongs can visually highlight the size of the stone for craft display, so that more people can see the stone. 3Perfect And Reasonable: Our ring spring prongs have perfect and reasonable design structure, have long service life, and are claw shaped tools that can be used for a long time. 4Use: Pinch towards the middle to separate the 2 claws and put the naked stone on. You can use this ring blank to set your own stone to make your own ring 5Fine: Our ring stone holder is made of durable steel material with fine workmanship. It is the perfect holiday gift that will surprise any wonderful lady and girl.