Powerful Function: With a maximum load power of 5800W and a maximum speed of 3800RPM, the copper-nickel-tin motor provides you with excellent performance and efficient grooving results. It also has a depth adjustment switch that allows you to adjust the saw by changing the height of the base plate for a maximum depth of cut of 5.31 inches. Economical and Practical: Compared to gasoline-powered saws, it is low maintenance without the need for string pulling or gasoline, saving you time and money. Thoughtful Design: It has two ergonomic front and rear handles, and the rear handle can be rotated 180° at the push of a button for easy maneuvering, which helps to cut accurately in both horizontal and vertical modes. Safety and Health: The connector and water suction pump can make your grooving operation less dusty, protect your health, and extend the service life of the blades to reduce the cost. In addition, the evenly distributed cooling holes on the body dissipate heat promptly, product stability and safety. EasytoInstall:Thesimplestructure,completeaccessories, and English manual allow you to install this product in minutes, saving you time and labor., Manufacturer: RFGTHY