34.925mm 1 3/8" G28 AISI 52100 Chrome Steel Ball LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY Base Info Description Pre：31.75mm 1 1/4" G28 AISI 52100 Chrome Steel Ball Next：38.1mm 1 1/2" G28 AISI 52100 Chrome Steel Ball
