Vermeil, 18k Gold Plated Over Sterling Silver Peg Bail Caps for Half Drilled Pearls and Beads (20 Pcs) Quantity: Listing price is for 20 pieces. Material: Vermeil, 18K gold plated over .925 Sterling Silver Cap Size: 3mm Peg Size: approx. 0.5mm thick and 4mm long Ring Size: 3mm