Bench Oscillating Sander, 7. 5 A, 1/2 HP, Voltage 110, 7. 5 Amps AC, 60 Hz, 30 Strokes per Minute, Table Work Surface (In. ) 14-1/2x14-1/2, Overall Width (In. ) 11-3/4, Overall Height (In. ) 18-3/4, Table Material Cast Iron/Metal, Includes (4) Non to Skid Rubber Feet and 1/4 in. , 1/2 in. , 5/8 in. , 1 to 1/2 in. , 2 in. Spindle Assemblies with 100 Grit Paper.