High Hardness 1.2mm 1.4mm 1.5mm 2mm 3.175mm 6.35mm 7.144mm Tungsten Carbide Steel Ball Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：High-Density Tungsten Carbide Ball 5.556mm 7/32 Inch Hard Alloy Tungsten Steel Next：High Quality Tungsten Carbide Ball for Oil with Good Price Stainless Steel Ball 3.969mm 5/32 Inch 6.350mm 9.525mm
