... plastic solid balls with all diameters in material POM ( Delrin),PP, HDPE,PS,.. Material: POM(Delrin),NYLON,ABS,AS,PP,PE,PVC ... ,PS,PC, TEFLON.....Size: 2.38mm~50.4mm(3/32"~2")Plastic ... Balls Introduce, The most common applications include plastic ... photocopiers and equipment for the industry.,.Plastic Balls have low friction and require ...