10 pcs .925 Sterling Silver Grommet Eyelet Rivet For Glass Bead 3mm/Findings/Bright Materials: 925 Sterling Silver Color: Bright Silver Size: For the top part, outer diameter is 4.2mm, inner hole size is 2.6mm. For the barrel part, outer diameter is 3mm, inner hole size is 2.6mm, 1.5mm in height. Quantity: 10 pieces