Made of material for durable, reliable use. Pneumatic air saw with convenient blade and file replacement for versatile operation. Nonslip rubber grip covers the body to reduce vibration and improve comfort during grinding. Wide compatibility: suitable for hardware, plastics, electronics, resins, diecasting, home projects, and other industries; ideal for grinding, polishing and finishing metal diecast parts. Appropriate for polishing aluminum alloy, zinc alloy, and other metal diecast components; includes grinding, correction, deburring, rust removal, and related finishing tasks. Specific use scenarios: Finishing aluminum or zinc alloy diecast components in manufacturing or work. Smoothing plastic housings and electronic enclosures during assembly or refurbishing. Deburring and rust removal on metal hardware and small machine parts in a home workshop.