1.9mm 0.074inch AISI304 Stainless Steel Ball for Grinding Herbschemical Raw Materials 0.027g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：1.8mm 0.070inch AISI304 Stainless Steel Ball for Medical Instruments Chemical Industry 0.023 Next：2.8mm 0.110inch AISI304 Steel Balance Ball Physics Science Pendulum Newton Swinging The Ball 0.089g
