8mm 8.5mm 10mm 14mm 17.5mm 18mm 19.05mm High-Density Tungsten Carbide Ball 11.113mm 7/16" Hard Alloy Tungsten Steel Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：High Quality Tungsten Carbide Ball for Oil with Good Price Stainless Steel Ball 3.969mm 5/32 Inch 6.350mm 9.525mm Next：Diameter 0.794mm 1/32 Inch G24 Polished Tungsten Carbide Bearing Ball for Oil Industry and Valve Pair
