Material and shape:
Nickle Plated Brass & Yellow Brass
Round Gold Plate
Round Sterling Silver Plate
Liquid Silver
Fluted Gold Plate
Fluted Sterling Silver Plate
Size(Diameter.):
2.1mm
2.4mm
3.2mm
4.0mm
4.8mm
5.5mm
6.3mm
8.0mm
9.5mm
12.7mm