The 5" Finishing Sander features a 5mm orbit and is built from precision-molded composites, ensuring strength and durability while minimizing operator fatigue. It operates at an impressive 12,000 RPM for maximum productivity and is counter-balanced for optimal performance with a specific size backup pad. The moisture-resistant composite rotors and premium counterweight bearings enhance longevity and reliability. Additionally, MR-Series Sanders can be easily converted to vacuum operation with an external or self-generating vacuum adapter, making them versatile tools for any workshop.