... ±0.025mmSurfacesmoothColor natural MOQ100,000pcsPackaging4000pcs/nylon polybag, 1 carton contains 4 bags1. PA6 solid ball is good wear- ... in cosmetic bottles,bearing ball,ball valve,trace ball 2. Hollow ball we have 10mm-100mm, solid ... be 0.01mm with good surface and precision.2) Our products are mainly sold to European and ... ! Please feel free to contact us! 1/2"(12.7mm) nylon plastic ball, solid ball