Dynabrade 69038 Dynorbital Silver Supreme Self-Generated Vacuum Random Orbital Sander, 5-Inch Includes low profile, premium urethane weight-mated sanding pad. Black lever identifies 3/32-Inch (2 mm) dia. orbit, used for general sanding Floating rotor utilizes five blades, producing more usable power. Less air is used more efficiently to maintain maximum power Comfort Platform provides additional hand and wrist support. Also offers increased protection against cold air exhaust Throttle lever recesses into housing grip when depressed, eliminating pressure-point on operator's palm For high production usage. Enhanced ergonomic features. Steel cylinder and end plates increase motor efficiency. Efficient vacuum capabilities