ONYX 6" Finishing Palm Sander with 3/16" Stroke 6" PU Velcro Backing Pad High powered. 5mm (3/16) Stroke Finish. Super lightweight (1.5lbs.). Sealed Bearings for Extended Life. Compact for minimum operator fatigue. Orbital action assures final swirl-free finish. Built-in speed regulator. Compact and lightweight motor for long term operation. Composite lever housing and rotors. Special design reduces sound level. Low vibration. Unit comes with Astro #4606 - 6 Velcro Backing Pad 322 Yes - GASOLINE ENGINE EXHAUST (CONDENSATES/EXTRACTS)