High Precision 3.175mm 4.763mm 5.556mm 9.525mm 15.875mm AISI304 440c 420c Stainless Steel Ball Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：3.175mm 3.969mm 4mm 4.763mm 5mm 304 316 Stainless Steel Ball Next：Standard Flanged Miniature Bearing F609 2RS F608 Zz Bearing Sealed Type
