... , we supply you carbon steel ball, chrome steel ball and stainless steel ball, Place of OriginShandong, China (Mainland)Brand NameModel Number1/8" , 5 ... , 5mm, 6mmGradeG200, G500, G1000HardnessHRC60ApplicationCycle industryPlackingBulk packing,pounch packing,plastic/tin box packing bicycle steel ball