To get really leveled and durable concrete surface, the concrete should be compacted and leveled with double beam screed vibrator. It is designed to give optimum vibration and long life. the Surface vibrators for panel with up 6 meter are used for most type of concrete flood. The vibrators penetrating depth is 100 to 150 mm depending on beam length and concrete consistency. It Consist of beam unit and vibration unit for electric drive. Beams are 100 mm light alloy sections and standard beam length 1s 4.2 meters or 3.5 meters. For longer length of span or beam 2 nos. shutter vibrators can be used by equally placing them on the beam.