G5 G10 Grade Diameter 6.35mm Size Steel Ball for Ball Bearing Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：AISI 52100 0.3435′′ 8.725mm Chrome G100 Steel Ball for Bearing Parts Next：Best Quality AISI201 304 0.5mm 6.35mm 12.7mm 38.1mm Stainless Steel Ball
