ONYX Jitterbug Random Orbit Air Palm Sander. Specifications: Pad Size: 3" x 4" (75 x 100 mm), Orbit: 3.0 mm, Free Speed: 12,000 rpm, Motor Power: 0.28 HP, Weight: 1.32 lbs. (0.6 kgs), Overal Length: 5-1/3" (135 mm), Vibration Level: < 2.5 m/s2, Sound dBA Presure: 85 (95 Power), Actual Air Consumption: 19 cfm (549 l/min), Avg.