Stainless Steel Balls Threaded Tapped Stainless Steel Ball 2.381mm 3.175mm 4.762mm 5.556mm 6.762mm Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Custom Large Stainless Steel Hollow Float Ball with Hole 100mm Next：38.1mm Drilled Stainless Steel Hollow Ball for Magnetic Devices, Floating Devices, Calibration Instruments
