... .8mm,35.2mm ◊ roll on ball and holder for deodorant and perfume◊ Widely used in cosmetics industry .◊ Light and cheap product ◊ Color ... onHollow ball9.5mm-100mmPP,PE,HDPERoll on ball,Bearing ball,Ball valve,Floating ball,and so onRoll on ball and holder8mm, 10mm,19.05mm,25.2mm ...