4.49mm Size and AISI 52100 Material G100 High Precision Carbon Steel Balls for Tumble Finishing 0.369g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Large Supply of Various Specifications of Environmental Protection Smooth Bright Carbon Steel Ball Can Be Electroplated Solid Next：5.4mm 0.210inch Chrome Steel Material and G10-G1000 Percision Steel Ball for Belt and Roller Conveyors 0.642g
