These lovely ring blanks are perfect for your next jewelry project! Easily add flower cabochons, gems, and more! You will receive 4 pieces. Material: brass Unplated -Adjustable -17mm inner diameter at a resting position -8mm pad Need some flower flat backs? We offer many styles in our store! **Use any type of metal glue (such as E6000) to add a flat back embellishment. **Finished ring pictured is not included All of our items will be shipped within 1 business day of purchase, unless otherwise stated on the listing and/or description. We ship Monday through Friday from Marble Falls, TX. Estimated shipping times: First class domestic (U.S.): Arrival within 2-5 business days after shipment Priority domestic (U.S.): Arrival within 1-3 business days after shipment First class international: Arrival in 14+ business days after shipment Priority international: Arrival within 6-10 business days after shipment to most locations We do combine shipping on multiple purchases! If for any reason your cart is not calculating your shipping discount, please message us, and we will try our best to correct the issue. If you spend $40+ in our store on qualifying items, you will pay $0 shipping costs. Please see the individual listings for qualifying information.