Bulk Carbon Steel 3mm 4mm 6mm 9 Mm Pellet Ammo Changzhou Feige Steel Ball Co., Ltd. Base Info Description Pre：19mm AISI420c G20 Stainless Steel Balls Next：AISI316L AISI304 Nail Polished Stainless Steel Ball 3.969mm 5/32" Steel Beads for Bearing Grinding Steel Balls Solid Metal Carbon Steel Ball
