High Quality 7.938mm 10mm 12mm 16mm 17mm Stainless Steel Solid Ball Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：1.588mm 2.381mm 3.175mm 6.35mm 7.144mm 304 316L Stainless Steel Balls for Mill Next：Solid 201 304 316 420 440 Stainless Steel Ball Precision Bearing Ball
