Black Steel threaded balls in 1.2mm and 1.6mm gauge. Suitable for threaded shafts such as labrets, barbells belly bars and so on, depending on the gauge of the existing jewellery. Sizes are 1.2x2.5, 3 and 4mm, 1.6x3, 4, 5, 6 and 8mm.
Suitable for Autoclave.