Material: Solid Genuine .925 Sterling SilverQuantity: 1 pcMeasurement: 5.3mm long, inner diameter is 3.5mm, top hole is suitable for 22 Gauge or smaller wire (0.6mm)Weight: 0.34 grams per piece.
The last picture shows an example with a 6mm (purple) briolette and (yellow) round bead, this cap would be most suitable for 4-7mm beads.