... mainly used in the cosmetic packaging, sewage disposal, and for floating. Solid ball diameter 1mm--60mm, mainly used in the industry ... ball10mm-100mmPP,PE,HDPERoll on ball,Bearing ball,Ball valve,Floating ball,and so onRoll on ball and holder8mm, 10mm,19 ... low prices.We look forward to receiving your order! 5/8''(15.875mm) POM solid ball