G10 440 Stainless Steel Ball 3mm 2mm 5mm Changzhou Feige Steel Ball Co., Ltd. Base Info Description Pre：Precision 4.5mm Chrome Steel Metal Bearing Ball Next：Mirror Polished Hollow Steel Sphere Matt Sandblast Hollow Metal Balls Stain Finished Stainless Steel Hollow Ball 15mm-5000mm, Thickness 0.5mm to 5mm
