One 3" Inch AISI 52100 Chrome Steel Bearing Ball G100 for Casters, Drawer Slides, Door Locks Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre:7.0mm 0.275inch AISI304 Stainless Steel Balls for Precision Machinery 1.4G Next:Jinnai SS304 316 250mm 200mm 150mm Large Stainless Steel Hollow Ball /Metal Sphere for Decoration