Features: Direct Connection - The direct connection series of concrete vibrators are powered by the PDC1200 portable power supply providing up to 300 minutes of run time on a single charge. ; High Frequency Motor - The high frequency motor is located in the vibrator head at the end of the shaft, reducing power loss and vibration transfer to the user.; 43mm or 52mm Diameter - There are two diameters of vibrator heads available, these are 43mm or 52mm.; 1,500mm or 3,000mm Shaft Length - There are two lengths of flexible shaft available, these are 1,500mm or 3,000mm. ; Lightweight Shaft - The flexible shaft only contains the power cables for the motor located in the vibrator head, as a results the shaft is lightweight. ; Specifications: Voltage 36V Direct Connection Vibration 12,000 vpm Vibrator diameter 43 mm Flexible shaft length 1,500 mm Weight 7.84 kg