Carbon Steel Balls for Moto Parts Drawer Rails/Bearing Ball/Stainless Steel Ball/Grinding Ball Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Stainless Steel Bal L2.381mm Lower Carbon Steel Ball for Bicycle Parts G100 Carbon Steel Ball Next：Solid Hard Steel Ball G100 G200 G500 G1000 1015/1010/1018 HRC 55-65 Carbon Steel Ball
