... , we supply you carbon steel ball, chrome steel ball and stainless steel ball, Place of OriginShandong, China (Mainland)Brand ... NameModel Number1/8" , 5/32", 3/16", 7/32", 1/4", 4mm ... 5/32", 3/16", 7/32", 1/4", 4mm, 5mm, 6mmGradeG200, G500, G1000HardnessHRC60ApplicationCycle industryPlackingBulk packing,pounch packing,plastic ...