2016 Hot Selling 201 304 316 440 Stainless Steel Hollow Ball Spheres Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：AISI52100 100cr6 Gcr15 G10 30mm-50.8mm Chrome Bearing Steel Ball Next：100mm 200mm 500mm Larger 201 304 316 420 Hollow Stainless Steel Decorative Ball
