2.8mm 0.110inch AISI304 Steel Balance Ball Physics Science Pendulum Newton Swinging The Ball 0.089g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：1.9mm 0.074inch AISI304 Stainless Steel Ball for Grinding Herbschemical Raw Materials 0.027g Next：2.98mm 0.117inch AISI304 Stainless Steel Ball for Deep Groove Ball Bearings and Pumps 0.107g
