Motor/Frequency/Volts/HP 1.5 HP (1.12 kw) / 115 volt 60 cyc. / 230 volt 50 cyc. Contact Drum Size 8 in. (20.32 cm) Sandpaper Size (clamp drum) 8 x 19.5 in. (20.3 x 49.5 cm) Expandable Drum Sandpaper Size 8 x 19 in. belt (20.3 x 48.2 cm) Drive Non-slip cogged timing belts Bag Capacity 2 cu. ft. (56.6 l.) Drum Speed 1800 RPM Power Cable 40 ft. ( 12.2 m) Abrasive Speed 2680 SFM (Clamp Style) / 2830 SFM (Expandable Drum) Dust Fan/Speed Flow 4800 RPM / 76 CFM Leveling Control Externally-adjusted Operating Control Lever Motor Starter Mechanical relay Wheels (cushion rubber) 3 in. (7.62 cm) diamete