Solid Aluminum Ball Metal Aluminum Ball Sphere for Bearing 12.0mm 0.472inch Al1050 Solid Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Diameter 8mm Grinding Media Steel Balls, Aluminum Steel Oxide Ball, 92% 0.314inch Next：High Quality Factory 19.050mm 3/4inch Aluminum Ball for Electronic Industry, Autom
