0.35mm 0.5mm 0.6mm 0.8mm Solid Stainless Steel Ball for Equipment Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：5mm 7.14mm Ball Bearing Ball En-31 Steel Sphere Next：3.175mm 6.35mm 12.7mm 15.875mm 25.4mm Stainless Steel Solid Ball
