Size: 6mm * 50pcs, 8mm * 50pcs, 10mm * 50pcs, 12mm * 50pcs, 13mm * 50pcs, 14mm * 50pcs, 15mm * 50pcs, 16mm * 50pcs, 18mm * 50pcs, 20mm * 50pcs.
.Material:Aluminum.
.Total:500pcs.