9/32" 7.1438mm AISI S-2 Tool (Rockbit) Steel Balls LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY Base Info Description Pre：17/64" 6.7469mm AISI S-2 Tool (Rockbit) Steel Balls Next：1/3" 7.9375mm AISI S-2 Tool (Rockbit) Steel Balls
