This electric concrete vibrator is a device that generates mechanical vibrations to consolidate freshly poured concrete and removes air and excess water. The concrete vibrator (concrete poker) settles firmly the concrete in place, to became harder and stable fundament for upgrades. Concrete vibrator is used right after pouring the concrete. Depending on the thickness of the slab, vibrators are used for concrete with a different vibrating head diameter. For hardening columns operator should use a concrete vibrator with smaller diameter size of the head – preferred 38mm. The price of concrete vibrator is depending on the diameter of the vibrating head, also called the vibrating needle and the length of the drive shaft.