Feature: 1. Ensure A Smooth And Even Finish: Concrete project can be messy, but handheld concrete vibrating tool helps you get professional results with minimal effort. 35mm diameter, suitable for a wide range of concrete construction projects. 2. Long Lasting: Made of metal steel rod, rubber hose, and screw connection. Compact and lightweight design makes this drill powered concrete vibrator easy to use without wearing you out. 3. Effective Tool: Helps eliminate air and water bubbles in concrete, ensuring compactness and uniformity of concrete. Allows evacuating the air bubbles efficiently and having the ideal consistency. 4. High Performance: Ensure perfect homogeneity of the concrete and obtain a smooth and even finish. Long flexible shaft gives you ample reach for different projects. Using the concrete vibrator can improve concrete strength and durability, reduce cracks and deformations, and enhance construction efficiency and quality. 5. Wide Application: This cement vibrating tool is well suited for using to tamp poured ring beam, concrete pedestal, and concrete foundation. It removes air pockets from the concrete, increasing concrete density while saving the amount of concrete. It also makes sure the concrete is evenly poured onto the rebar framework, thus improving the strength of the whole construction. Specification: Item Type: Cordless Concrete Vibrating Tool Material: Steel, Rubber Inner Thread: 42mm Mounting Port: Hex 8mm / 0.3in Head Diameter: 35mm / 1.38in Vibration Frequency: 200Hz Amplitude: 0.9mm Flexible Shaft Diameter: 10mm / 0.4in Hose Diameter: 30mm / 1.2in. Package List: 1 x Cordless Concrete Vibrating Tool Note: 1. Maintenance: Keep the rod dry when not in use, do not add any oil, and make sure to extract the concrete before turning off the machine to extend the service life。2. When receiving the goods, if scratches are found on the surface of the iron rod head, it is a normal phenomenon left by the pipe clamp during assembly, but it will not affect the product quality and use.3. Note the size error range is 5‑10cm.