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 #4608 - 6" PSA Backing Pad • Pad Size: 6" Free Speed: 10,000rpm Overall Length: 6"(15.24cm) Net Weight: 1.5lbs. (.68kg) Spindle Thread Size: 5/16" x 24 Air Inlet Thread NPT: 1/4" Air Hose I.D. Size: 3/8" (10mm) Avg. Air Consumption: 5.5cfm Air Pressure: 90psi