4pcs Ceiling Sprinkler Head Cover Plate - Recessed Sprinkler Plate Trim -. -Electrolytic polishing brush: the electrolytic polishing machine brush provides polishing for weld seams, resulting in smoother surfaces and durability.
Electrolytic Polishing Machine Brush For Welding Seam Cleaning M6x60 mm Bead
Welding Seam Cleaner Brush For Polishing Machine M6x60 Joint Brush
