Custom Soft Carbon Steel AISI1010-AISI1015 Chrome Steel Balls for Bearing 12.7mm 15.875mm 19.050mm Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Steel Balance Ball Physics Science Pendulum Newton Swinging The Ball 3.175mm 4.762mm 5.556mm Next：Stainless Steel Bearing Ball AISI304 316 316L 420 440c Carbon Steel Ball Chrome Steel Ball with All Sizes/Bearing Steel Ball/Grinding Ball
