EXTREME SANDING: This Dynorbital Extreme random orbital sander has a diameter of 6" (152 mm) with a proportionate 3/16" (5 mm) diameter orbit for a general swirl-free finish. This non-vacuum tool can be easily converted to self-generated or central vacuum tools with available optional vacuum conversion kits. EXTREME COMFORT: This tool features an ergonomic design with integrated comfort platform for more wrist support and a soft grip co-molded to rigid composite base housing for maximum operator comfort and durability. The recessed throttle lever eliminates pinch and pressure points on an operator's palm as well. EXTREME POWER: Our new air-powered motor design has the highest power-to-weight ratio with 0.3 horsepower, up to 12,000 RPM, and weighing at 1.8 lbs. It also has the most consistent speed under load in the industry, running at 92% of rated tool speed. The new rotor design enhances power with less friction. EXTREME PERFORMANCE: Included with this sander is a low profile, premium sanding pad with a hook-face pad face that is weight-mated for smoother performance and minimalized vibration levels. The sanding pad is made from the highest quality materials for extreme durability and longevity. THE DYNABRADE DIFFERENCE: Dynabrade has earned a reputation for excellence and a position of leadership in the innovative design and manufacturing of unique portable pneumatic abrasive power tools, related accessories, and dust collection. Our products are used in a variety of applications on nearly any material that requires surface preparation and finishing. We listen. We observe. We OPTIMIZE.