Electric Vibrator, Horsepower 2 1/2 hp, Shaft Length 5 ft, Head Diameter 1 3/4 in, Radius of Vibration 18 in, Number of Speed Settings 1, Vibrations per Minute 11,000 vpm, Force Rating 1,100 lbf, Shaft Connection Type Quick-Connect, Voltage 115V AC, Head Material Steel, Concrete Vibrator Type Internal Concrete, Current 17 A, Phase Single-Phase, Power Source Corded, Series ACE, Standards UL Approved