G20 Low Price Yg8 Tungsten Carbide Ball Tungsten Carbide Balls for Sale and Crews Valves Flow Meters 3.175mm 1/8inch Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Grinding Tungsten Carbide Ball High Precision 9.525mm Tungsten Carbide Ball for Hard Alloy Steel Media Next：High Hardness 5.556mm 7.144mm 8.731mm 9.525mm 12mm 15mm Tungsten Carbide Steel Ball
