19.0mm Chrome Steel Ball 60-65HRC AISI 52100 Chrome Bearing Ball 20mm 10mm Stainless Steel Ball for Bearings Balls Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：6.5mm Chrome Steel Ball 60-65HRC AISI 52100 Chrome Bearing Ball 20mm 10mm Stainless Steel Ball for Bearings Balls Next：19.05mm 3/4" Density High Precision Chrome Steel Ball Bearing Balls for Bearings
