55sm5fa-60 AISI S-2 Tool (Rockbit) Steel Balls 13/32" 10.3188mm LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY Base Info Description Pre：3/8" 9.525mm AISI S-2 Tool (Rockbit) Balls Next：7/16" 11.1125mm AISI S-2 Tool (Rockbit) Balls
