6.35mm 12.7mm 25.4mm 38.1mm Chrome Steel Ball for Bearing Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：AISI52100 G10-G1000 3.175mm Chrome Steel Ball for Bearing Next：HRC58-64 0.5mm 1mm 2mm 3.96mm 4.76mm 52100 Chrome Steel Ball
