High-Density Tungsten Carbide Ball 5.556mm 7/32 Inch Hard Alloy Tungsten Steel Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Easy Welding Carbon Steel Hollow Sphere Ball Chrome Steel Ball 5.556mm 6.350mm 7.937mm Next：High Hardness 1.2mm 1.4mm 1.5mm 2mm 3.175mm 6.35mm 7.144mm Tungsten Carbide Steel Ball
