Carbon Steel Ball/Bearing Steel Ball/Stainless Steel Ball/Grinding Ball /Refill Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：4.762mm Stainless Steel Balls for Nail Polished Steel Mixing Ball Next：G10-G1000 Solid 3.969mm, 4.76mm, 6.35mm Carbon Steel Balls for Bearing
