8 Styles:8 different styles of finger rings,1 pcs/sytle, a total of 9 pieces, rich enough to meet your various jewellery design combinations, you can make jewellery for your own use or gift to family and friends. 8 Sizes:8 sizes in total,1pcs/size.The trays are about 8-14.5mm long,6-10.5mm wide,16.5-17mm in inner diameter.TThe rough ring can be adjusted to fit most sizes, so don't worry about whether it fits you. Wide Application:The finger ring blank base can be used with cabochons or anything else, you can glue different patterns or jewellery such as gemstones, pearls, dried flowers on the round tray to create unique rings. 304 Stainless Steel:Made of 304 stainless steel, which is very shiny,durable and safe to wear,not easy to rust,fade or break like jewelry made of other metals, so it can can accompany you for a long time. Oval Bezel Trays:These bezel pendant trays are desighed with oval and teardop shape,it is much classic when they are used as a charm in jewelry production. They are great accessories when you are making jewelry.