The DEWALT DCE531B 20V MAX pencil vibrator, bare tool, is perfect for industrial and residential contractors. It features a 4-foot-long flexible shaft for easy use and long reach. It has a 1-1/8" diameter vibrator that delivers maximum consolidation power. 14,000 vibrations per minute (under load) provide maximum consolidation efficiency. Offering the convenience of a four-foot flexible shaft and the reliability and mobility of battery power, this pencil vibrator is an ideal option for small-scale jobs ranging from minor street repair to pouring light pole footings to filling insulated concrete forms. This is a bare tool item - battery and charger sold separately.