G200 G1000 100cr6 Chrome Steel Bearing Ball/Steel Balls for Bearing 4mm Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：10.0mm Soft Carbon Steel Ball AISI1010-AISI1015/Suitable for Motorcycle, Bicycle, Auto Parts, Medical Equipment, Cosmetics Next：Solid Carbon Steel Ball with Hole for Furniture and Massage 3.175mm 3.966mm 4.762mm G1000
