This is a Dera Electric Concrete Vibrator used for removing air bubbles and compacting wet concrete. It typically features a high-frequency motor, often around 1,300W, and can reach speeds of approximately 4,300 RPM. The unit usually includes a flexible shaft, commonly around 2 meters long, with a vibrating poker head. It is designed for construction tasks such as casting slabs, columns, and foundations to ensure concrete strength and durability.
