MATERIAL✦925 sterling silver. It still keep bright and shining after used for a long time,high quality SIZE✦ 7.5X4.5mm,pin 0.7mm,can fit 8-10mm round bead ,hole 3mm ,package:1pc pendant setting only. The chain and gemstone are not included. USAGE✦Base blank fits 10-12mm round gemstones.Put the gemstone on it and press to secure the gemstone. CRAFT✦the Irregular pendant Setting Connector Semi Mount Blanks is specially designed for DIY Jewelry Crafts Making, just paste your favorite one on the pendant tray, to complete a delicate and beautiful pendant necklace. GIFT-WORTHY✦ Jewelry is the perfect gift for the holidays, makes a sentimental surprise for any awesome lady. Great gifts for Mom or Grandma on Mother's Day, anniversary, birthday, or wedding celebration. 925 Sterling Silver Pendant Bails Cup Jewelry Findings Pearl Bail Pin Pendants for 8-10mm Half-drilled Beads,Material:925 sterling silver,Size: 7.5X4.5mm,pin 0.7mm,can fit 8-10mm round bead ,hole 3mm ,Package:1pc pendant setting only. The chain and gemstone are not included.