Tight Connection Design: Quick change discs, unique safety torque spiral allows to replace disc quickly, just twist it to remove or connect. When sanding disc is working, thread direction of disc is opposite to the force of friction, which makes the connection between disc and tray/holder more and more tight, ensures steady working even in high speed.
Superior Zirconium Oxide Discs: Strong cutting force and long-life service, generally used to polish hard metal, such as titanium alloy. Suitable for rust removal and polishing, works well on rugged surface
High Performance Sanding Discs: Black Sanding Discs, with honeycomb structure is suitable for stainless steel, aluminum, non-ferrous metals, plastics, fiber products, ceramics, stone, wood, concrete surfaces, etc. When working, grinding particle removes target coating, while tiny fiber polishes the scratch, leaving a glossy surface, a great coating removal disc, perfect for coating/rust/dirt removal.
