SUS316 Stainless Solid Drilled/Threaded Metal Stainless Steel Balls with Hole 12.7mm 15.875mm 19.05mm Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：17.463mm 11/16" Hot Sale Density Chrome Steel Ball for Overseas Market Next：31.873G Professional Manufacturer High Chrome Steel Balls for Conveyor Belts, Skates, Pens, Pumps, Castors 19.844mm 25/32"
