Drilled Solid Steel Ball 6.35mm 8mm 12.7mm Steel Ball Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：350mm Sphere 200mm Ball Hollow Mirror 304 Stainless Steel Hollow Ball Next：Hot Sales AISI304 316 420 420c 4mm 9/16" 7/8" 5/8" 3/4" 9/32" Solid Stainless Steel Ball
