5 Claws Design -- Our ring base features a 5 claw design. It holds gemstones and beads more securely, while being very stylishly styled. It makes the otherwise simple gemstone ring more layered and designed, adding flair and fashion to your DIY Adjustable Design Finger Ring -- Our rings are an adjustable design. You can adjust the ring size to your desired size by just gently breaking the ring. The adjustable design helps you avoid the hassle of choosing the wrong size, and also allows the ring to be worn on multiple fingers, making it more comfortable to wear Easy and Fast -- Our ring bases are very easy to use. All you need to do is pick your favorite size gemstone or bead and place it on the ring base, then use pliers to tighten the 5 claws to get your very own one-of-a-kind DIY ring Sturdy and Durable -- These ring bases are made of brass. Brass material is very strong and durable, not easy to break or lose color. Perfect for your long term use, it is your first choice for DIY jewelry Package Included -- You will receive 6 pcs brass ring bases and a storage box. Size is 2-9mm/0.08-0.35 inch wide, 17.7mm/0.7 inch inner diameter, tray 6.5mm/0.26 inch. Please check if it is the size you need before you place the order