High Efficiency: This chaser has a power of 4000W. The high power can make it cut the wall quickly and efficiently. Therefore, it won't take much time to cut the wall with it or make you feel too tired. Cutting Depth Adjustable: Users can adjust the width and depth of the blade according to the instructions to adjust the depth and the width of the groove they need. In this way, users can easily and quickly find the right grooving size according to different buildings. Dust-Free Slotting: This product is equipped with a shell on the blade, which can effectively prevent dust from flying around when you use it. So you do not need to worry about you will be dirty after slotting. Besides, the dust-free slotting will also prevent dust from entering the lungs and endangering health. Easy to Store and Carry: We have customized a portable case for this slotter. In this way, the slotter is not only very easy to carry but also can be stored well without collecting dust and wasting the space to store it. Considerate Button: There is a power lock button for you to start the machine conveniently. With this button, you don't have to press the switch all the time when you need to work for a long time with it., Manufacturer: WAFOHSR