... balls with all diameters in material POM ( Delrin),PP, HDPE,PS,.. Plastic Balls: Material: POM(Delrin),NYLON,ABS,AS,PP,PE, ... TEFLON..... Size: 2.38mm~50.4mm(3/32"~2") Plastic Balls Introduce Plastic balls are deal for light load bearings and flow ... and automation equipment, photocopiers and equipment for the industry.,.Plastic Balls have low friction and require virtually no lubrication. They ...