55sm5fa-60 AISI S-2 Tool (Rockbit) Balls 11.5094mm LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY Base Info Description Pre：7/16" 11.1125mm AISI S-2 Tool (Rockbit) Balls Next：1 7/8" 47.625mm AISI S-2 Tool (Rockbit) Steel Balls
