1. Ovalization:1mm-2mm 2. Welding automatically 3. Waterproof Completely 4. Thickness: 0.5mm to 5.0mm 5. Mirror polishing Stainless Steel Floating SpheresHollow Steel Spheres, Polished Stainless Steel Spheres, SpheresAdvantage:1. Simple polishing the welding line, or mirror polished.2. Material: stainless steel 304, 316, 201, mild steel, copper and aluminium.3. Welding: The spheres will be welded ...