... 7mmTolerance±0.025mmSurfacesmoothColor natural MOQ100,000pcsPackaging4000pcs/nylon polybag, 1 carton contains 4 bags1. PA6 solid ball is ... used in cosmetic bottles,bearing ball,ball valve,trace ball 2. Hollow ball we have 10mm-100mm, ... are mainly sold to European and American area.1) Plastic balls are made of different materials, ... feel free to contact us! 1/2"(12.7mm) nylon plastic ball, solid ball