7/32" 5.5562mm AISI S-2 Tool (Rockbit) Steel Balls LUOYANG ZHISHENG STEEL BALL LIMITED LIABLITY COMPANY Base Info Description Pre:3/16" 4.7625mm AISI S-2 Tool (Rockbit) Steel Balls Next:15/64" 15.9531mm AISI S-2 Tool (Rockbit) Steel Balls