1. Efficiency: This wall chaser has a power of 4000W. Thanks to its power, it can cut walls quickly and efficiently. Therefore, cutting walls with it won't take long, and you won't feel too fatigued. 2. Adjustable Cutting Depth: Users can set the width and depth of the blade according to the instructions to adjust the depth and width of the required groove. This way, users can easily and quickly find the right groove size for different buildings. 3. Dust Milling: This product is equipped with a protective cover on the blade, which effectively prevents dust from scattering during use. You don't have to worry about getting dirty after milling. Additionally, dust milling prevents dust from entering the lungs and endangering health. 4. WellDesigned Housing: The body of this wall chaser is made of metal, while the handle is made of plastic. The metal housing is wearresistant and rustproof, making the tool more stable and durable. The plastic on the handle is not as heavy as metal, reducing weight and making operation easier.