Diameter 8mm Grinding Media Steel Balls, Aluminum Steel Oxide Ball, 92% 0.314inch Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：4mm 0.157inch Selling Aluminum Shot Ball for Blasting with Good Price Next：Solid Aluminum Ball Metal Aluminum Ball Sphere for Bearing 12.0mm 0.472inch Al1050 Solid
