... 7/32X9 , 5/16X7 , 5/16X9 etc.Application : bicycle industryPacking : 2000/1000/4000pcs per carton1.steel ball specification: ... .7)Using:1. General industry for automobile, motorcycle, bicycle manufacturing, special bearings & micro – ball for the electronics ... : Company Name:Yuncheng County Longteng Steel Ball Manufacture Co., Ltd. Business Type:Manufacturer, Trading Company, Distributor/Wholesaler ...