Feature●EXTREME SANDING: 5" (127 mm) diameter random orbital sander has a 3/32" (2.5 mm) diameter orbit. Self-generated or central vacuum conversion kits available. Has 1" diameter vacuum port.●EXTREME COMFORT: Tool is ergonomic with integrated comfort platform and a soft grip co-molded to composite base. Recessed throttle lever eliminates pressure points on operators palm.●EXTREME POWER: Air-powered motor design is at 0.3 horsepower, up to 12,000 RPM, weighing 1.8 lbs. Consistent speed at 92% of rated tool speed. The new rotor design enhances power with less friction.●EXTREME PERFORMANCE: Sander contains weight-mated sanding pad with hook-face pad face. The sanding pad is made from the highest quality materials for extreme durability and longevity.●THE DYNABRADE DIFFERENCE: A reputation for excellence in the design and manufacturing of pneumatic abrasive power tools. We listen. We observe. We OPTIMIZE.Description 5" Extreme ROS, CV, 3/32", 12K RPM. New motor design has the highest power-to-weight ratio in the industry, with 0.3 hp at 1.8 lbs. Most consistent speed under load in industry, running at 92% of rated tool speed. New rotor design enhances power with less friction. Ergonomic design with integrated comfort platform for more wrist support and overall operator comfort. Soft grip co-molded to rigid composite base housing for maximum comfort and durability. Recessed throttle lever eliminates pinch and pressure points on an operator’s palm.